Request 1810 (accepted)

rar.changes Changed

rar.spec Changed

rarlinux-4.2.0.tar.gz/technote.txt Deleted

@@ -1,275 +0,0 @@
-
-               RAR version 4.20 - Technical information
-               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
- THE ARCHIVE FORMAT DESCRIBED BELOW IS ONLY VALID FOR VERSIONS SINCE 1.50
-
- ==========================================================================
-                         RAR archive file format
- ==========================================================================
-
-   Archive file consists of variable length blocks. The order of these
-blocks may vary, but the first block must be a marker block followed by
-an archive header block.
-
-   Each block begins with the following fields:
-
-HEAD_CRC       2 bytes     CRC of total block or block part
-HEAD_TYPE      1 byte      Block type
-HEAD_FLAGS     2 bytes     Block flags
-HEAD_SIZE      2 bytes     Block size
-ADD_SIZE       4 bytes     Optional field - added block size
-
-   Field ADD_SIZE present only if (HEAD_FLAGS & 0x8000) != 0
-
-   Total block size is HEAD_SIZE if (HEAD_FLAGS & 0x8000) == 0
-and HEAD_SIZE+ADD_SIZE if the field ADD_SIZE is present - when
-(HEAD_FLAGS & 0x8000) != 0.
-
-   In each block the followings bits in HEAD_FLAGS have the same meaning:
-
-  0x4000 - if set, older RAR versions will ignore the block
-           and remove it when the archive is updated.
-           if clear, the block is copied to the new archive
-           file when the archive is updated;
-
-  0x8000 - if set, ADD_SIZE field is present and the full block
-           size is HEAD_SIZE+ADD_SIZE.
-
-  Declared block types:
-
-HEAD_TYPE=0x72          marker block
-HEAD_TYPE=0x73          archive header
-HEAD_TYPE=0x74          file header
-HEAD_TYPE=0x75          old style comment header
-HEAD_TYPE=0x76          old style authenticity information
-HEAD_TYPE=0x77          old style subblock
-HEAD_TYPE=0x78          old style recovery record
-HEAD_TYPE=0x79          old style authenticity information
-HEAD_TYPE=0x7a          subblock
-
-   Comment block is actually used only within other blocks and doesn't
-exist separately.
-
-   Archive processing is made in the following manner:
-
-1. Read and check marker block
-2. Read archive header
-3. Read or skip HEAD_SIZE-sizeof(MAIN_HEAD) bytes
-4. If end of archive encountered then terminate archive processing,
-   else read 7 bytes into fields HEAD_CRC, HEAD_TYPE, HEAD_FLAGS,
-   HEAD_SIZE.
-5. Check HEAD_TYPE.
-   if HEAD_TYPE==0x74
-     read file header ( first 7 bytes already read )
-     read or skip HEAD_SIZE-sizeof(FILE_HEAD) bytes
-     if (HEAD_FLAGS & 0x100)
-       read or skip HIGH_PACK_SIZE*0x100000000+PACK_SIZE bytes
-     else
-       read or skip PACK_SIZE bytes
-   else
-     read corresponding HEAD_TYPE block:
-       read HEAD_SIZE-7 bytes
-       if (HEAD_FLAGS & 0x8000)
-         read ADD_SIZE bytes
-6. go to 4.
-
-
- ==========================================================================
-                               Block Formats
- ==========================================================================
-
-
-   Marker block ( MARK_HEAD )
-
-
-HEAD_CRC        Always 0x6152
-2 bytes
-
-HEAD_TYPE       Header type: 0x72
-1 byte
-
-HEAD_FLAGS      Always 0x1a21
-2 bytes
-
-HEAD_SIZE       Block size = 0x0007
-2 bytes
-
-   The marker block is actually considered as a fixed byte
-sequence: 0x52 0x61 0x72 0x21 0x1a 0x07 0x00
-
-
-
-   Archive header ( MAIN_HEAD )
-
-
-HEAD_CRC        CRC of fields HEAD_TYPE to RESERVED2
-2 bytes
-
-HEAD_TYPE       Header type: 0x73
-1 byte
-
-HEAD_FLAGS      Bit flags:
-2 bytes
-                0x0001  - Volume attribute (archive volume)
-                0x0002  - Archive comment present
-                          RAR 3.x uses the separate comment block
-                          and does not set this flag.
-
-                0x0004  - Archive lock attribute
-                0x0008  - Solid attribute (solid archive)
-                0x0010  - New volume naming scheme ('volname.partN.rar')
-                0x0020  - Authenticity information present
-                          RAR 3.x does not set this flag.
-
-                0x0040  - Recovery record present
-                0x0080  - Block headers are encrypted
-                0x0100  - First volume (set only by RAR 3.0 and later)
-
-                other bits in HEAD_FLAGS are reserved for
-                internal use
-
-HEAD_SIZE       Archive header total size including archive comments
-2 bytes
-
-RESERVED1       Reserved
-2 bytes
-
-RESERVED2       Reserved
-4 bytes
-
-
-
-   File header (File in archive)
-
-
-HEAD_CRC        CRC of fields from HEAD_TYPE to FILEATTR
-2 bytes         and file name
-
-HEAD_TYPE       Header type: 0x74
-1 byte
-
-HEAD_FLAGS      Bit flags:
-2 bytes
-                0x01 - file continued from previous volume
-                0x02 - file continued in next volume
-                0x04 - file encrypted with password
-
-                0x08 - file comment present
-                       RAR 3.x uses the separate comment block
-                       and does not set this flag.
-
-                0x10 - information from previous files is used (solid flag)
-                       (for RAR 2.0 and later)
-
-                bits 7 6 5 (for RAR 2.0 and later)
-
-                     0 0 0    - dictionary size   64 KB
-                     0 0 1    - dictionary size  128 KB
-                     0 1 0    - dictionary size  256 KB
-                     0 1 1    - dictionary size  512 KB
-                     1 0 0    - dictionary size 1024 KB
-                     1 0 1    - dictionary size 2048 KB
-                     1 1 0    - dictionary size 4096 KB
-                     1 1 1    - file is directory
-
-               0x100 - HIGH_PACK_SIZE and HIGH_UNP_SIZE fields
-                       are present. These fields are used to archive
-                       only very large files (larger than 2Gb),
-                       for smaller files these fields are absent.
-
-               0x200 - FILE_NAME contains both usual and encoded
-                       Unicode name separated by zero. In this case
-                       NAME_SIZE field is equal to the length
-                       of usual name plus encoded Unicode name plus 1.
-
-                       If this flag is present, but FILE_NAME does not
-                       contain zero bytes, it means that file name
-                       is encoded using UTF-8.
-
-               0x400 - the header contains additional 8 bytes
-                       after the file name, which are required to
-                       increase encryption security (so called 'salt').
-
-               0x800 - Version flag. It is an old file version,
-                       a version number is appended to file name as ';n'.
-
-              0x1000 - Extended time field present.
-
-              0x8000 - this bit always is set, so the complete
-                       block size is HEAD_SIZE + PACK_SIZE
-                       (and plus HIGH_PACK_SIZE, if bit 0x100 is set)
-
-HEAD_SIZE       File header full size including file name and comments
-2 bytes
-
-PACK_SIZE       Compressed file size
-4 bytes
-
-UNP_SIZE        Uncompressed file size
-4 bytes
-
-HOST_OS         Operating system used for archiving
-1 byte                 0 - MS DOS
-                       1 - OS/2
-                       2 - Windows
-                       3 - Unix
-                       4 - Mac OS
-                       5 - BeOS
-
-FILE_CRC        File CRC
-4 bytes
-
-FTIME           Date and time in standard MS DOS format
-4 bytes
-
-UNP_VER         RAR version needed to extract file
-1 byte
-                Version number is encoded as
-                10 * Major version + minor version.
-
-METHOD          Packing method
-1 byte
-                0x30 - storing
-                0x31 - fastest compression
-                0x32 - fast compression
-                0x33 - normal compression
-                0x34 - good compression
-                0x35 - best compression
-
-NAME_SIZE       File name size
-2 bytes
-
-ATTR            File attributes
-4 bytes
-
-HIGH_PACK_SIZE  High 4 bytes of 64 bit value of compressed file size.
-4 bytes         Optional value, presents only if bit 0x100 in HEAD_FLAGS
-                is set.
-
-HIGH_UNP_SIZE   High 4 bytes of 64 bit value of uncompressed file size.
-4 bytes         Optional value, presents only if bit 0x100 in HEAD_FLAGS
-                is set.
-
-FILE_NAME       File name - string of NAME_SIZE bytes size
-
-SALT            present if (HEAD_FLAGS & 0x400) != 0
-8 bytes
-
-EXT_TIME        present if (HEAD_FLAGS & 0x1000) != 0
-variable size
-
-other new fields may appear here.
-
-
- ==========================================================================
-                              Application notes
- ==========================================================================
-
-   1. To process an SFX archive you need to skip the SFX module searching
-for the marker block in the archive. There is no marker block sequence (0x52
-0x61 0x72 0x21 0x1a 0x07 0x00) in the SFX module itself.
-
-   2. The CRC is calculated using the standard polynomial 0xEDB88320. In
-case the size of the CRC is less than 4 bytes, only the low order bytes
-are used.

rarlinux-4.2.0.tar.gz/acknow.txt -> rarlinux-5.2.1.tar.gz/acknow.txt Changed

@@ -1,5 +1,12 @@
                            ACKNOWLEDGMENTS
 
+* We used "Screaming Fast Galois Field Arithmetic Using Intel
+  SIMD Instructions" paper by James S. Plank, Kevin M. Greenan
+  and Ethan L. Miller to improve Reed-Solomon coding performance.
+  Also we are grateful to Artem Drobanov and Bulat Ziganshin
+  for samples and ideas allowed to make Reed-Solomon coding
+  more efficient.
+
 * RAR text compression algorithm is based on Dmitry Shkarin PPMII
   and Dmitry Subbotin carryless rangecoder public domain source code.
   You may find it in ftp.elf.stuba.sk/pub/pc/pack.
@@ -77,5 +84,9 @@
     OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     SUCH DAMAGE.
 
+* RAR archives may optionally include BLAKE2sp hash ( https://blake2.net ),
+  designed by Jean-Philippe Aumasson, Samuel Neves, Zooko Wilcox-O'Hearn
+  and Christian Winnerlein.
+
 * Useful hints provided by Alexander Khoroshev and Bulat Ziganshin allowed
   to significantly improve RAR compression and speed.

rarlinux-4.2.0.tar.gz/default.sfx -> rarlinux-5.2.1.tar.gz/default.sfx Changed

rarlinux-4.2.0.tar.gz/license.txt -> rarlinux-5.2.1.tar.gz/license.txt Changed

@@ -9,7 +9,7 @@
      Alexander L. Roshal. The licensor and as such issuer of the license
      and bearer of the worldwide exclusive usage rights including the rights
      to reproduce, distribute and make the software available to the public
-     in any form is win.rar GmbH, Schumannstr. 17, 10117 Berlin, Germany.
+     in any form is win.rar GmbH, Marienstr. 12, 10117 Berlin, Germany.
 
   2. The software is distributed as try before you buy. This means that
      anyone may use the software during a test period of a maximum of 40 days
@@ -24,10 +24,23 @@
 
      b. The software's unlicensed trial version may not be distributed
         inside of any other software package without written permission.
-
-     c. Hacks/cracks, keys or key generators may not be included, pointed to
+        The software must remain in the original unmodified installation
+        file for download without any barrier and conditions to the user
+        such as collecting fees for the download or making the download
+        conditional on the user giving his contact data.
+
+     c. The unmodified installation file of WinRAR must be provided pure
+        and unpaired. Any bundling is interdicted. In particular the use
+        of any install or download software which is providing any kind
+        of download bundles is prohibited unless granted by win.rar GmbH
+        in written form.
+
+     d. Hacks/cracks, keys or key generators may not be included, pointed to
         or referred to by the distributor of the trial version.
 
+     e. In case of violation of the precedent conditions the allowance
+        lapses immediately and automatically.
+
   4. The trial version of the software can display a registration reminder
      dialog. Depending on the software version and configuration such dialog
      can contain either a predefined text and links loaded locally

rarlinux-4.2.0.tar.gz/rar -> rarlinux-5.2.1.tar.gz/rar Changed

rarlinux-4.2.0.tar.gz/rar.txt -> rarlinux-5.2.1.tar.gz/rar.txt Changed

@@ -1,6 +1,6 @@
                              User's Manual
                              ~~~~~~~~~~~~~
-                        RAR 4.20 console version
+                        RAR 5.21 console version
                         ~~~~~~~~~~~~~~~~~~~~~~~~
 
                        =-=-=-=-=-=-=-=-=-=-=-=-=-=-
@@ -10,47 +10,52 @@
  Introduction
  ~~~~~~~~~~~~
 
-    RAR is a powerful tool allowing you to manage and control archive
-  files. Console RAR supports archives only in RAR format, the names
-  of which usually have a ".rar" extension. ZIP and other formats
-  are not supported. Windows users may install GUI RAR version - WinRAR,
-  which is able to process many more archive types.
+    RAR is a console application allowing to manage archive files
+  in command line mode. RAR provides compression, encryption,
+  data recovery and many other functions described in this manual.
 
-    While console RAR and GUI WinRAR have the similar command line syntax,
+    RAR supports only RAR format archives, which have .rar file name
+  extension by default. ZIP and other formats are not supported.
+  Even if you specify .zip extension when creating an archive, it will
+  still be in RAR format. Windows users may install WinRAR, which supports
+  more archive types including RAR and ZIP formats.
+
+    WinRAR provides both graphical user interface and command line mode.
+  While console RAR and GUI WinRAR have the similar command line syntax,
   some differences exist. So it is recommended to use this rar.txt manual
   for console RAR (rar.exe in case of Windows version) and winrar.chm
   WinRAR help file for GUI WinRAR (winrar.exe).
 
-  RAR features include:
-
-    *  Highly sophisticated, original compression algorithm
-    *  Special compression algorithms optimized for text, audio,
-       graphics data, 32 and 64-bit Intel executables
-    *  Better compression than similar tools, using 'solid' archiving
-    *  Authenticity verification (registered version only)
-    *  Self-extracting archives and volumes (SFX)
-    *  Ability to recover physically damaged archives
-    *  Locking, password, file order list, file security & more ...
-
 
  Configuration file
  ~~~~~~~~~~~~~~~~~~
 
-  RAR for Unix reads configuration information from the file .rarrc
-  in the user's home directory (stored in HOME environment variable)
+  RAR and UnRAR for Unix read configuration information from .rarrc file
+  in a user's home directory (stored in HOME environment variable)
   or in /etc directory.
 
-  RAR for Windows reads configuration information from the file rar.ini,
+  RAR and UnRAR for Windows read configuration information from rar.ini file,
   placed in the same directory as the rar.exe file.
 
   This file may contain the following string:
 
-  switches=any RAR switches, separated by spaces
+  switches=<any RAR switches separated by spaces>
 
   For example:
 
   switches=-m5 -s
 
+  It is also possible to specify separate switch sets for individual
+  RAR commands using the following syntax:
+
+  switches_<command>=<any RAR switches separated by spaces>
+
+  For example:
+
+  switches_a=-m5 -s
+  switches_x=-o+
+
+
 
  Environment variable
  ~~~~~~~~~~~~~~~~~~~~
@@ -142,7 +147,7 @@
     If you wish to read file names from stdin (standard input),
     specify the empty listfile name (just @).
 
-    By default, Windows console RAR uses OEM (DOS) encoding in list files.
+    By default, console RAR uses the single byte encoding in list files,
     but it can be redefined with -sc<charset>l switch.
 
     You may specify both usual file names and list files in the same
@@ -218,19 +223,11 @@
             rar c -zinfo.txt dummy
 
 
-    cf      Add files comment. File comments are displayed when the 'v'
-            command is given. File comment length is limited to 32767 bytes.
-
-            Example:
-
-            rar cf bigarch *.txt
-
-
     ch      Change archive parameters.
 
             This command can be used with most of archive modification
             switches to modify archive parameters. It is especially
-            convenient for switches like -av, -cl, -cu, -tl, which do not
+            convenient for switches like -cl, -cu, -tl, which do not
             have a dedicated command.
 
             It is not able to recompress, encrypt or decrypt archive data
@@ -266,7 +263,20 @@
             the empty archive would removed.
 
 
-    e       Extract files to current directory.
+    e       Extract files without archived paths.
+
+            Extract files excluding their path component, so all files
+            are created in the same destination directory.
+
+            Use 'x' command if you wish to extract full pathnames.
+
+            Example:
+
+            rar e -or html.rar *.css css\
+
+            extract all *.css files from html.rar archive to 'css' folder
+            excluding archived paths. Rename extracted files automatically
+            in case several files have the same name.
 
 
     f       Freshen files in archive. Updates those files changed since they
@@ -315,12 +325,29 @@
             rar k final.rar
 
 
-    l[t,b]  List contents of archive [technical]. Files are listed as with
-            the 'v' command with the exception of the file path. i.e. only
-            the file name is displayed. Optional technical information
-            (host OS, solid flag and old version flag) is displayed
-            when 't' modifier is used. Modifier 'b' forces RAR to output
-            only bare file names without any additional information.
+    l[t[a],b]
+            List archive contents [technical [all], bare].
+    
+            'l' command lists archived file attributes, size, date,
+            time and name, one file per line. If file is encrypted,
+            line starts from '*' character.
+
+            'lt' displays the detailed file information in multiline mode.
+            This information includes file checksum value, host OS,
+            compression options and other parameters.
+
+            'lta' provide the detailed information not only for files,
+            but also for service headers like NTFS streams
+            or file security data.
+
+            'lb' lists bare file names with path, one per line,
+            without any additional information.
+
+            You can use -v switch to list contents of all volumes
+            in volume set: rar l -v vol.part1.rar
+
+            Commands 'lt', 'lta' and 'lb' are equal to 'vt', 'vta'
+            and 'vb' correspondingly.
 
 
     m[f]    Move to archive [files only]. Moving files and directories
@@ -336,47 +363,41 @@
             all RAR messages and print only file data. It may be important
             when you need to send a file to stdout for use in pipes.
 
-
+    
     r       Repair archive. Archive repairing is performed in two stages.
             First, the damaged archive is searched for a recovery record
-            (see 'rr' command). If the archive contains a recovery record
-            and if the portion of the damaged data is continuous and less
-            than N*512 bytes, where N is number of recovery sectors placed
-            into the archive, the chance of successful archive
-            reconstruction is very high. When this stage has been completed,
-            a new archive will be created, called fixed.arcname.rar,
-            where 'arcname' is the original (damaged) archive name.
-
-            If a broken archive does not contain a recovery record or if
-            the archive is not completely recovered due to major damage,
-            a second stage is performed. During this stage only the archive
+            (see 'rr' command). If archive contains the previously added
+            recovery record and if damaged data area is continuous
+            and smaller than error correction code size in recovery record,
+            chance of successful archive reconstruction is high.
+            When this stage has been completed, a new archive is created,
+            named as fixed.arcname.rar, where 'arcname' is the original
+            (damaged) archive name.            
+
+            If broken archive does not contain a recovery record or if
+            archive is not completely recovered due to major damage,
+            second stage is performed. During this stage only the archive
             structure is reconstructed and it is impossible to recover
-            files which fail the CRC validation, it is still possible,
+            files which fail checksum validation, it is still possible,
             however, to recover undamaged files, which were inaccessible
             due to the broken archive structure. Mostly this is useful
-            for non-solid archives. This stage is never efficient for
-            archives with encrypted file headers, which can be repaired
+            for non-solid archives. This stage is never efficient
+            for archives with encrypted file headers, which can be repaired
             only if recovery record is present.
 
             When the second stage is completed, the reconstructed archive
-            will be saved as rebuilt.arcname.rar, where 'arcname' is
+            is saved as rebuilt.arcname.rar, where 'arcname' is
             the original archive name.
 
-            While the recovery is in progress, RAR may prompt the user for
-            assistance when a suspicious file is detected.
-
-                      Suspicious entry
-
-              Name:  <possibly filename>
-              Size:  <size>    Packed: <compressed size>
-
-                      Add it: Yes/No/All
-
-            Answer 'y' to add this entry to the file rebuilt.arcname.rar.
+            By default, repaired archives are created in the current
+            directory, but you can append an optional destpath\ parameter
+            to specify another destination directory.
 
             Example:
 
-            rar r buggy.rar
+            rar r buggy.rar c:\fixed\
+
+            repair buggy.rar and place the result to 'c:\fixed' directory.
 
 
     rc      Reconstruct missing and damaged volumes using recovery volumes
@@ -416,38 +437,81 @@
 
 
     rr[N]   Add data recovery record. Optionally, redundant information
-            (recovery record) may be added to an archive. This will cause
-            a small increase of the archive size and helps to recover
-            archived files in case of disk failure or data losses of
-            any other kind, provided that the damage is not too severe.
-
-            A recovery record contains up to 524288 recovery sectors.
-            The number of sectors may be specified directly in the 'rr'
-            command (N = 1, 2 .. 524288) or, if it is not specified by
-            the user, it will be selected automatically according to the
-            archive size: a size of the recovery information will be about
-            1% of the total archive size, usually allowing the recovery of
-            up to 0.6% of the total archive size of continuously damaged data.
+            (recovery record) may be added to archive. While it increases
+            the archive size, it helps to recover archived files in case of
+            disk failure or data loss of other kind, provided that damage
+            is not too severe. Such damage recovery can be done with
+            command "r" (repair).
+
+            RAR 4.x and RAR 5.0 archives use different recovery record
+            structure and algorithms.
+
+            RAR 4.x recovery record is based on XOR algorithm.
+            You can specify 4.x record size as a number of recovery sectors
+            or as a percent of archive size. To specify a number of sectors
+            just add it directly after 'rr', like 'rr1000' for 1000 sectors.
+            To use a percent append 'p' or '%' modifier after the percent
+            number, such as 'rr5p' or 'rr5%' for 5%. Note that in Windows
+            .bat and .cmd files it is necessary to use 'rr5%%' instead of
+            'rr5%', because the command processor treats the single '%'
+            as the start of a batch file parameter, so it might be more
+            convenient to use 'p' instead of '%' in this case.
+
+            RAR 4.x recovery sectors are 512 bytes long. If damaged area
+            is continuous, every sector helps to recover 512 bytes of
+            damaged information. This value may be lower in cases of
+            multiple damage. Maximum number of recovery sectors is 524288.
+
+            Size of 4.x recovery record may be approximately determined as
+            <archive size>/256 + <number of recovery sectors>*512 bytes.
+
+            RAR 5.0 recovery record uses Reed-Solomon error correction codes.
+            Its ability to repair continuous damage is about the same
+            as for RAR 4.x, allowing to restore slightly less data than
+            recovery record size. But it is significantly more efficient
+            than RAR 4.x record in case of multiple damaged areas.
+
+            RAR 5.0 record does not use 512 byte sectors and you can specify
+            its size only as a percent of archive size. Even if '%' or 'p'
+            modifier is not present, RAR treats the value as a percent
+            in case of RAR 5.0 format, so both 'rr5' and 'rr5p' mean 5%.
+            Due to service data overhead the actual resulting recovery record
+            size only approximately matches the user defined percent
+            and difference is larger for smaller archives.
+
+            RAR 5.0 recovery record size cannot exceed the protecting
+            archive size, so you cannot use more than 100% as a parameter.
+            Larger recovery records are processed slower both when creating
+            and repairing.
+
+            RAR 5.0 recovery record is more resistant to damage of recovery
+            record itself and can utilize a partially corrupt recovery
+            record data. Note, though, that 'R' repair command does not fix
+            broken blocks in recovery record. Only file data are corrected.
+            After successful archive repair, you may need to create a new
+            recovery record for saved files.
+
+            Both 4.x and 5.0 records are most efficient if data positions
+            in damaged archive are not shifted. If you copy an archive
+            from damaged media using some special software and if you have
+            a choice to fill damaged areas with zeroes or to cut out them
+            from copied file, filling with zeroes or any other value is
+            preferable, because it allows to preserve original data positions.
+            Still, even though it is not an optimal mode, both versions
+            of records attempt to repair data even in case of deletions
+            or insertions of reasonable size, when data positions were
+            shifted. RAR 5.0 recovery record handles deletions and insertions
+            more efficiently than RAR 4.x.
+
+            If you use the plain 'rr' command without optional parameter,
+            RAR will set the recovery record size to 3% of archive size
+            by default.
 
-            It is also possible to specify the recovery record size in
-            percent to the archive size. Just append the percent character
-            to the command parameter. For example:
-
-            rar rr3% arcname
-
-            Note that if you run this command from .bat or .cmd file,
-            you need to use rr3%% instead of rr3%, because the command
-            processor treats the single '%' character as the start of
-            a batch file parameter. You may also use 'p' instead of '%',
-            so 'rr3p' will work too.
+            Example:
 
-            If data is damaged continuously, then each rr-sector helps to
-            recover 512 bytes of damaged information. This value may be
-            lower in cases of multiple damage.
+            rar rr5p arcname
 
-            The size of the recovery record may be approximately determined
-            by the formula <archive size>/256 + <number of recovery
-            sectors>*512 bytes.
+            add the recovery record of 5% of archive size.
 
 
     rv[N]   Create recovery volumes (.rev files), which can be later
@@ -470,7 +534,7 @@
             3 missing volumes. If the number of .rev files is less than
             the number of missing volumes, reconstructing is impossible.
             The total number of usual and recovery volumes must not
-            exceed 255.
+            exceed 255 for RAR 4.x and 65535 for RAR 5.0 archive format.
 
             Original RAR volumes must not be modified after creating
             recovery volumes. Recovery algorithm uses data stored both
@@ -478,10 +542,18 @@
             So if you modify RAR volumes, for example, lock them, after
             creating REV files, recovery process will fail.
 
+            Additionally to recovery data, RAR 5.0 recovery volumes
+            also store service information such as checksums of protected
+            RAR files. So they are slightly larger than RAR volumes
+            which they protect. If you plan to copy individual RAR and REV
+            files to some removable media, you need to take it into account
+            and specify RAR volume size by a few kilobytes smaller
+            than media size.
+
             The optional <N> parameter specifies a number of recovery
             volumes to create and must be less than the total number
             of RAR volumes in the set. You may also append a percent
-            character to this parameter, in such case the number of
+            or 'p' character to this parameter, in such case the number of
             creating .rev files will be equal to this percent taken
             from the total number of RAR volumes. For example:
 
@@ -536,55 +608,49 @@
             into the archive.
 
 
-    v[t,b]  Verbosely list the contents of archive [technical].
-            Files are listed using the format: full pathname, file comment,
-            original and compressed size, compression ratio, last update
-            date and time, attributes, CRC, compression method and minimum
-            RAR version required to extract.
+    v[t[a],b]
+            Verbosely list archive contents [technical [all], bare].
+    
+            'v' command lists archived file attributes, size, packed size,
+            compression ratio, date, time, checksum and name, one file
+            per line. If file is encrypted, line starts from '*' character.
+            For BLAKE2sp checksum only two first and one last symbol are
+            displayed.
 
-            Compression method information is displayed as m<N><d>.
-            N shows the file compression method and uses same values
-            as -m<n> switch, where '0', '1', ..., '5' mean 'store',
-            'fastest', ..., 'best'. 'd' indicates the compression
-            dictionary, as in -md<n> switch, where 'a', 'b', ..., 'g'
-            mean 64 KB, 128 KB, ..., 4096 KB. Directories always have
-            '0' compression method and no dictionary size.
+            'vt' displays the detailed file information in multiline mode.
+            This information includes file checksum value, host OS,
+            compression options and other parameters.
 
-            Optional technical information such as "Host OS", "Solid"
-            and "Old" flags is displayed, when 't' modifier is used.
-            "Host OS" shows the native operating system of RAR version
-            used to create an archive. "Solid" flag is set if file uses
-            the compression statistics from preceding files (see -s switch).
-            "Old" flag means "Old file version" and indicates if it is
-            the latest or old file version (see -ver switch for details).
+            'vta' provide the detailed information not only for files,
+            but also for service headers like NTFS streams
+            or file security data.
 
-            Modifier 'b' forces RAR to output only bare file names without
-            any additional information.
+            'vb' lists bare file names with path, one per line,
+            without any additional information.
 
-            To list the contents of all archive volumes, use an asterisk
-            ('*') in place of the archive file extension or use the '-v'
-            switch.
+            You can use -v switch to list contents of all volumes
+            in volume set: rar v -v vol.part1.rar
 
-            Example:
+            Commands 'vt', 'vta' and 'vb' are equal to 'lt', 'lta'
+            and 'lb' correspondingly.
 
-            1) list contents of system.rar archive (technical mode)
-               and redirect output to file techlist.lst
 
-               rar vt system >techlist.lst
+    x       Extract files with full path.
 
-            2) list contents of tutorial.rar archive (bare file names mode)
+            Examples:
 
-               rar vb tutorial
+            1) extract 10cents.txt to current directory not displaying
+               the archive comment
 
+               rar x -c- dime 10cents.txt
 
-    x       Extract files with full path.
+            2) extract *.txt from docs.rar to c:\docs directory
 
-            Example:
+               rar x docs.rar *.txt c:\docs\
 
-            rar x -av- -c- dime 10cents.txt
+            3) extract the entire contents of docs.rar to current directory
 
-            extract specified file to current path. AV check and comment
-            show are disabled.
+               rar x docs.rar
 
 
     Switches (used in conjunction with a command):
@@ -639,6 +705,11 @@
     -ac     Clear Archive attribute after compression or extraction
             (Windows version only).
 
+            If this switch is specified when archiving, "Archive" file
+            attribute is cleared for successfully compressed files.
+            When extracting, this switch will clear "Archive" attribute
+            for extracted files.
+
 
     -ad     Append archive name to destination path.
 
@@ -740,6 +811,10 @@
             This switch preserves attributes assigned by operating system
             to a newly created file.
 
+            If this switch is used when archiving, predefined values,
+            typical for file and directory, are stored instead of actual
+            attributes.
+
             In Windows it affects archive, system, hidden and read-only
             attributes. in Unix - user, group, and others file permissions.
 
@@ -790,40 +865,6 @@
             than the creation of a new archive.
 
 
-    -av     Put authenticity verification (registered versions only).
-            RAR will put, in every new and updated archive, information
-            concerning the creator, last update time and archive name.
-
-            If an archive, containing authenticity verification, is being
-            modified and this switch is not specified, the authenticity
-            verification information will be removed.
-
-            When extracting, testing, listing or updating an archive with
-            the '-av' switch, RAR will perform integrity validation and
-            display the message:
-
-              Verifying authenticity information ...
-
-            In the case of successful authenticity verification,
-            message 'Ok', creator name and last update information will be
-            displayed. In the case of authenticity verification failure,
-            message 'FAILED' will be displayed.
-
-            RAR authenticity verification can be forged and does not
-            provide the same level of security as modern digital signature
-            schemes based on public key infrastructure. We recommend
-            to use this RAR feature as informational only, like a special
-            archive comment. Avoid it in situations, when accurate
-            information about archive creator is important.
-
-            In order to enable the authenticity verification feature,
-            the program must be registered. Please contact your local
-            distribution site or the world-wide distribution center.
-
-
-    -av-    Disable authenticity verification checking or adding.
-
-
     -cfg-   Ignore configuration file and RAR environment variable.
 
 
@@ -891,14 +932,10 @@
             remove empty directories.
 
 
-    -ee     Do not process extended attributes
-
-            Disables saving and restoring extended file attributes.
-            Only for OS/2 versions.
-
-
     -en     Do not add "end of archive" block
 
+            Not supported for RAR 5.0 archives.
+            
             By default, RAR adds an "end of archive" block to the end of
             a new or updated archive. It allows to skip external data like
             digital signatures safely, but in some special cases it may be
@@ -919,8 +956,8 @@
             archive with the same name.
 
 
-    -ep1    Exclude base dir from names. Do not store the path entered in
-            the command line.
+    -ep1    Exclude base dir from names. Do not store the path entered
+            in the command line.
 
             Example:
 
@@ -937,7 +974,7 @@
             cd ..
 
 
-    -ep2    Expand paths to full. Store full file paths (except a drive
+    -ep2    Expand paths to full. Store full file paths (except the drive
             letter and leading path separator) when archiving.
 
 
@@ -1043,6 +1080,55 @@
             secret.rar using the password 'fGzq5yKw'
 
 
+    -ht[b|c]
+            Select hash type [BLAKE2,CRC32] for file checksum.
+
+            File data integrity in RAR archive is protected by checksums
+            calculated and stored for every archived file.
+
+            By default, RAR uses CRC32 function to calculate the checksum.
+            RAR 5.0 archive format also allows to select BLAKE2sp hash
+            function instead of CRC32.
+
+            Specify -htb switch for BLAKE2sp and -htc for CRC32 hash function.
+            Since CRC32 is the default algorithm, you may need -htc only to
+            override -htb in RAR configuration.
+
+            CRC32 output is 32 bit length. While CRC32 properties are
+            suitable to detect most of unintentional data errors,
+            it is not reliable enough to verify file data identity.
+            In other words, if two files have the same CRC32,
+            it does not guarantee that file contents is the same.
+
+            BLAKE2sp output is 256 bit. Being a cryptographically strong
+            hash function, it practically guarantees that if two files
+            have the same value of BLAKE2sp, their contents is the same.
+            BLAKE2sp error detection property is also more reliable than
+            in shorter CRC32.
+            
+            Since BLAKE2sp output is longer, resulting archive is
+            slightly larger for -htb switch.
+
+            If archive headers are unencrypted (no switch -hp), checksums
+            for encrypted RAR 5.0 files are modified using a special
+            password dependent algorithm, to make impossible guessing
+            file contents based on checksums. Do not expect such encrypted
+            file checksums to match usual CRC32 and BLAKE2sp values.
+            
+            This switch is supported only by RAR 5.0 format, so you
+            need to use -ma switch with it.
+
+            You can see checksums of archived files using 'vt' or 'lt'
+            commands.
+    
+
+            Example:
+
+            rar a -ma -htb lists.rar *.lst
+
+            will add *.lst to lists.rar using BLAKE2sp for file checksums.
+
+
     -id[c,d,p,q]
             Disable messages.
 
@@ -1092,11 +1178,16 @@
             Windows: rar.log file in %APPDATA%\WinRAR directory.
 
             If 'name' parameter includes a file name without path,
-            RAR will create the log file in default directory from
-            the list above using the specified name. Include both path
+            RAR will create the log file in the default directory
+            mentioned above using the specified name. Include both path
             and name to 'name' parameter if you wish to change
             the location of log file.
 
+            By default, log file uses UTF-16 little endian encoding,
+            but it can be changed with -sc<charset>g switch, such as -scag
+            for native single byte encoding.
+
+
             Example:
 
             rar a -ilogc:\log\backup.log backup d:\docs
@@ -1120,9 +1211,9 @@
 
     -kb     Keep broken extracted files.
 
-            RAR, by default, deletes files with CRC errors after
-            extraction. The switch -kb specifies that files with
-            CRC errors should not be deleted.
+            RAR, by default, deletes files with checksum errors
+            after extraction. The switch -kb specifies that files
+            with checksum errors should not be deleted.
 
 
     -log[fmt][=name]
@@ -1192,11 +1283,17 @@
             If this switch is not specified, RAR uses -m3 method
             (normal compression).
 
-            By default, RAR uses only the general compression algorithm
-            in -m1 and -m2 methods, advanced algorithms like audio
-            and true color processing are enabled only in -m3..-m5 modes,
-            advanced text compression is disabled in all modes.
-            This default can be overridden using -mc switch.
+
+    -ma[4|5]
+            Specify a version of archiving format.
+
+            By default RAR creates archives in RAR 4.x format.
+            Use -ma5 or just -ma to create RAR 5.0 archives.
+            Use -ma4 in case you need to override -ma5 saved
+            in configuration and force RAR to use RAR 4.x format.
+
+            This switch is used only when creating a new archive.
+            It is ignored when updating an existing archive.
 
 
     -mc<par>
@@ -1225,6 +1322,8 @@
               I       - 64-bit Intel Itanium executables compression;
               T       - text compression.
 
+            RAR 5.0 archive format supports only 'D' and 'E' values.
+
             '+' sign at the end of switch applies the selected algorithm
             module to all processed data, '-' disables the module at all.
             If no sign is specified, RAR will choose modules automatically,
@@ -1304,30 +1403,47 @@
             to suitable data and disable the delta compression.
 
 
-    -md<n>  Select dictionary size <n> in KB. Must be 64, 128, 256, 512,
-            1024, 2048 or 4096 or a letter 'a', 'b', 'c', 'd', 'e', 'f', 'g'
-            respectively.
+    -md<n>[k,m,g]
+            Select the dictionary size.
+
+            Sliding dictionary is the memory area used by compression
+            algorithm to find and compress repeated data patterns. 
+            If size of file being compressed (or total files size in case
+            of solid archive) is larger than dictionary size, increasing
+            the dictionary is likely to increase the compression ratio,
+            reduce the archiving speed and increase memory requirements.
 
-            The sliding dictionary is a special memory area used by the
-            compression algorithm. If the size of the file being compressed
-            (or the total files size in the case of a solid archive) is
-            greater than the dictionary size, then increasing the dictionary
-            size will generally increase compression ratio, decrease packing
-            speed and increase memory requirements.
+            For RAR 4.x archive format the dictionary size can be:
+            64 KB, 128 KB, 256 KB, 512 KB, 1 MB, 2 MB, 4 MB.
+
+            For RAR 5.0 archive format the dictionary size can be:
+            128 KB, 256 KB, 512 KB, 1 MB, 2 MB, 4 MB, 8 MB, 16 MB,
+            32 MB, 64 MB, 128 MB, 256 MB, 512 MB, 1 GB.
+
+            You can use 'k', 'm' and 'g' modifiers to specify the size
+            in kilo-, mega- and gigabytes, like -md64m for 64 MB dictionary.
+            If no modifier is specified, megabytes are assumed,
+            so -md64m and -md64 are equal.
+
+            When archiving, RAR needs about 6x memory of specified
+            dictionary size, so 512 MB and 1 GB sizes are available
+            in 64 bit RAR version only. When extracting, slightly more
+            than a single dictionary size is allocated, so both 32
+            and 64 bit versions can unpack archives with all dictionaries
+            up to and including 1 GB.
 
             RAR can reduce the dictionary size if it is significantly
-            larger than the size of the source data. It helps to reduce
-            memory requirements without decreasing compression.
+            larger than source data size. It helps to reduce memory
+            requirements without decreasing compression.
 
-            Default sliding dictionary size is 4096 KB.
+            Default sliding dictionary size is 4 MB for RAR 4.x
+            and 32 MB for RAR 5.0 archive format.
 
             Example:
 
-            RAR a -s -mdd sources *.asm
-                or
-            RAR a -s -md512 sources *.asm
+            RAR a -s -ma -md128 lib *.dll
 
-            Will create a solid archive using a 512 KB dictionary.
+            create a solid archive in RAR 5.0 format with 128 MB dictionary.
 
 
     -ms[list]
@@ -1343,12 +1459,19 @@
             force RAR to store without compression all RAR and ZIP
             archives and JPG images. It is also allowed to specify wildcard
             file masks in the list, so -ms*.rar;*.zip;*.jpg will work too.
+            Several -ms switches are permitted, such as -msrar -mszip
+            instead of -msrar;zip.
+
+            In Unix -ms switch containing several file types needs to be
+            enclosed in quote marks. It protects semicolons from processing
+            by Unix shell. Another solution is to use individual -ms<type>
+            switches for every file type.
 
             If <list> is not specified, -ms switch will use the default
             set of extensions, which includes the following file types:
 
             7z, ace, arj, bz2, cab, gz, jpeg, jpg, lha, lzh, mp3,
-            rar, taz, tgz, z, zip
+            rar, taz, tgz, xz, z, zip
 
 
     -mt<threads>
@@ -1369,11 +1492,14 @@
             If -mt switch is not specified, RAR will try to detect
             the number of available processors and select the optimal
             number of threads automatically.
+    
 
+    -n<f>   Additionally filter included files.
 
-    -n<f>   Include only the specified file <f>. Wildcards may be used
-            both in the name and file parts of file mask. You may specify
-            the switch '-n' several times.
+            Apply the mask as an additional filter to included file list.
+            Wildcards can be used both in the name and file parts of
+            file mask. See switch -x description for details on mask syntax.
+            You can specify the switch '-n' several times.
 
             This switch does not replace usual file masks, which still
             need to be entered in the command line. It is an additional
@@ -1391,11 +1517,11 @@
             rar a -r -n*.txt -n*.lst text Project Info
 
 
-    -n@<lf> Include files listed in the specified list file.
+    -n@<lf> Read additional filter masks from list file.
 
-            Similar to -n<f> switch, but reads include masks from
+            Similar to -n<f> switch, but reads filter masks from
             the list file. If you use -n@ without the list file name
-            parameter, it will read file names from stdin.
+            parameter, it will read filter masks from stdin.
 
             Example:
 
@@ -1409,9 +1535,114 @@
             when creating an archive, but does not restore them unless
             -oc switch is specified.
 
+    -oh     Save hard links as the link instead of the file.
+
+            If archiving files include several hard links, store the first
+            archived hard link as usual file and the rest of hard links
+            in the same set as links to this first file. When extracting
+            such files, RAR will create hard links instead of usual files.
+
+            You must not delete or rename the first hard link in archive
+            after the archive was created, because it will make extraction
+            of following links impossible. If you modify the first link,
+            all following links will also have the modified contents
+            after extracting. Extraction command must involve the first
+            hard link to create following hard links successfully.
+    
+            This switch is supported only by RAR 5.0 format,
+            so you need to use -ma switch with it.
+
+
+    -oi[0-4][:<minsize>]
+            Save identical files as references.
+
+            Switch -oi0 (or just -oi-) turns off identical file processing,
+            so such files are compressed as usual files. It can be used to
+            override another -oi value stored in RAR configuration.
+
+            If -oi1 (or just -oi) is specified, RAR analyzes the file
+            contents before starting archiving. If several identical files
+            are found, the first file in the set is saved as usual file
+            and all following files are saved as references to this first
+            file. It allows to reduce the archive size, but applies some
+            restrictions to resulting archive. You must not delete or rename
+            the first identical file in archive after the archive was
+            created, because it will make extraction of following files
+            using it as a reference impossible. If you modify the first file,
+            following files will also have the modified contents
+            after extracting. Extraction command must involve the first file
+            to create following files successfully.
+
+            It is recommended to use -oi only if you compress a lot of
+            identical files, will not modify an archive later and will
+            extract an archive entirely, without necessity to unpack or skip
+            individual files. If all identical files are small enough to
+            fit into compression dictionary specified with -md<n> switch,
+            switch -s can provide more flexible solution than -oi.
+
+            Switch -oi2 is similar to -oi1, with the only difference:
+            it will display names of found identical files before starting
+            archiving.
+
+            Switches -oi3 and -oi4 allow to utilize RAR to generate
+            lists of identical files. Though you still need to provide
+            a dummy archive name to make the command syntax valid,
+            in this mode an archive is not created and nothing is compressed.
+            If -oi3 is used, file sizes and names are displayed
+            and every identical file group is separated with empty line.
+            Switch -oi4 displays bare file names and skips the first
+            identical file in every file group, so only duplicates
+            are listed.
+
+            Optional <minsize> value allows to define the minimum file size
+            threshold. Files smaller than <minsize> are not analyzed
+            and not considered as identical. If this parameter is not
+            present, it is assumed to be 64 KB by default. Selecting
+            too small <minsize> may increase the time required to detect
+            identical files.
+    
+            Switches -oi1 and -oi2 are supported only by RAR 5.0 format,
+            so you need to use -ma switch with it.
+
+            Examples:
+
+            1) rar a -oi -ma archive
+
+            Save contents of current directory to archive.rar.
+            Store identical files as references.
+
+            2) rar a -oi3:1000000 -r dummy c:\photo\*.jpg
+
+            List all duplicate *.jpg files lather than 1000000 bytes
+            found in c:\photo and its subdirectories.
+    
+
+    -ol[a]  Process symbolic links as the link [absolute paths]
+            
+            Save symbolic links as links, so file contents is not archived.
+            In Windows version it also saves reparse points as links.
+            Such archive entries are restored as symbolic links
+            or reparse points when extracting.
+
+            Supported both for RAR 4.x and RAR 5.0 archives in RAR for Unix
+            and only for RAR 5.0 archives in RAR for Windows.
+
+            In Windows you may need to run RAR as administrator to create
+            symbolic links when extracting.
 
-    -ol     Save symbolic links as the link instead of the file.
-            Unix version only.
+            RAR adds all links regardless of target when archiving with
+            -ol switch. When extracting, by default, RAR skips symbolic
+            links pointing outside of destination directory, with absolute
+            paths or excessive number of ".." in link target. You can enable
+            extracting such links with -ola switch.
+
+            Links pointing to directories outside of extraction destination
+            directory can present a security risk. Enable their extraction
+            only if you are sure that archive contents is safe,
+            such as your own backup.
+
+            Links with relative paths inside of destination directory
+            in target are extracted always regardless of -ol or -ola switch.
 
 
     -or     Rename extracted files automatically if file with the same name
@@ -1456,9 +1687,15 @@
               -o-          Skip existing files.
 
 
-    -p[p]   Encrypt files with the string <p> as password while archiving.
-            The password is case-sensitive. If you omit the password on the
-            command line, you will be prompted with message "Enter password".
+    -p[pwd] Set password
+
+            Set password <pwd> to encrypt files when archiving
+            or to decrypt when extracting.
+
+            Passwords are case-sensitive. Maximum password length is
+            127 characters. Longer passwords are truncated to this length.
+            If you omit a password in command line, you will be prompted
+            with "Enter password" message.
 
             Example:
 
@@ -1469,7 +1706,62 @@
 
     -p-     Do not query password
 
-
+            Do not query password for encrypted files when extracting.
+            Actually you can specify any invalid password to suppress
+            the password prompt and force RAR to issue 'incorrect password'
+            message when extracting an encrypted file. This switch just
+            sets '-' as a password.
+
+
+    -qo[-|+]
+            Add quick open information [none|force]
+
+            RAR archives store every file header containing information
+            such as file name, time, size and attributes immediately
+            before data of described file. This approach is more damage
+            resistant than storing all file headers in a single continuous
+            block, which if broken or truncated would destroy the entire
+            archive contents. But while being more reliable, such file
+            headers scattered around the entire archive are slower to
+            access if we need to quickly open the archive contents 
+            in a shell like WinRAR graphical interface.
+
+            To improve archive open speed and still not make the entire
+            archive dependent on a single damaged block, RAR 5.0 archives
+            can include an optional quick open record. Such record is
+            added to the end of archive and contains copies of file names
+            and other file information stored in a single continuous block
+            additionaly to normal file headers inside of archive.
+            Since the block is continuous, its contents can be read quickly,
+            without necessity to perform a lot of disk seek operations.
+            Every file header in this block is protected with a checksum.
+            If RAR detects that quick open information is damaged,
+            it resorts to reading individual headers from inside of archive,
+            so damage resistance is not lessened.
+
+            Quick open record contains the full copy of file header,
+            which may be several tens or hundreds of bytes per file,
+            increasing the archive size by the same amount. This size
+            increase is most noticeable for many small files, when file
+            data size is comparable to file header. So by default,
+            if no -qo is specified or -qo without parameter is used,
+            RAR stores copies of headers only for relatively large files
+            and continues to use local headers for smaller files.
+            Concrete file size threshold can depend on RAR version.
+            Such approach provides a reasonable open speed to archive size
+            tradeoff. If you prefer to have the maximum archive open speed
+            regardless of size, you can use -qo+ to store copies of all
+            file headers. If you need to have the smallest possible archive
+            and do not care about archive open speed in different programs,
+            specify -qo- to exclude the quick open information completely.
+
+            If you wish to measure the performance effect of this switch,
+            be sure that archive contents is not stored in a disk cache.
+            No real disk seeks are performed for cached archive file,
+            making access to file headers fast even without quick open
+            record.
+
+    
     -r      Recurse subdirectories. May be used with commands:
             a, u, f, m, x, e, t, p, v, l, c, cf and s.
 
@@ -1548,7 +1840,7 @@
             rar a -ri0:10 backup *.*
 
 
-    -rr[N]  Add a data recovery record. This switch is used when creating
+    -rr[N]  Add data recovery record. This switch is used when creating
             or modifying an archive to add a data recovery record to
             the archive. See the 'rr[N]' command description for details.
 
@@ -1589,14 +1881,15 @@
 
 
     -sc<charset>[objects]
-            Specify the character set for list files and archive
-            comment files.
+            Specify the character set for list files, log files
+            and archive comment files.
 
             'Charset' parameter is mandatory and can have one
             of the following values:
 
               U - Unicode;
-              A - ANSI (Windows) encoding. Windows version only;
+              A - the native single byte encoding, which is ANSI
+                  for Windows version;
               O - OEM (DOS) encoding. Windows version only.
 
             Files in Unicode format must have FFFE or FEFF Unicode
@@ -1606,6 +1899,7 @@
             'Objects' parameter is optional and can have one of
             the following values:
 
+              G - log files produced by -ilog switch;
               L - list files;
               C - comment files.
 
@@ -1660,7 +1954,7 @@
             an archive. Optional 'name' parameter allows to specify
             a file name of compressed stdin data in the created
             archive. If this parameter is missing, the name will be
-            set to 'stdin'. This switch cannot be used with -v.
+            set to 'stdin'.
 
             Example:
 
@@ -1767,18 +2061,26 @@
             Save or restore file time (modification, creation, access).
 
             Switch -tsm instructs RAR to save file modification time,
-            -tsc - creation time and tsa - last access time. Optional
-            parameter after the switch is the number between 0 and 4
-            controlling the file time precision. Value '1' enables
-            1 second precision, 2 - 0.0065536 sec, 3 - 0.0000256 sec and
-            4 or '+' enables the maximum NTFS time precision, which is
-            equal to 0.0000001 sec. Value '0' or '-' means that creation
+            -tsc - creation time and tsa - last access time. 
+
+            For RAR 4.x archive format the optional parameter after
+            the switch is the number between 0 and 4 controlling
+            the file time precision. Value '1' enables 1 second precision,
+            2 - 0.0065536 sec, 3 - 0.0000256 sec and 4 or '+' enables
+            the maximum NTFS time precision, which is equal to
+            0.0000001 sec. Value '0' or '-' means that creation
             and access time are not saved and low (two seconds) precision
             is used for modification time. Higher precision modes add
             more data to archive, up to 19 additional bytes per file
             in case of -tsm4 -tsa4 -tsc4 combination. If no precision
             is specified, RAR uses '4' (high) value.
 
+            RAR 5.0 archive format saves file times either with 1 second
+            precision for parameter value '1' or with maximum NTFS precision
+            for '2', '3' and '4'. '0' forces RAR 5.0 archives to omit
+            file time even if it is modification time, so unpacked files
+            will have the current system time.
+
             Default RAR mode is -tsm4 -tsc0 -tsa0, so modification time
             is stored with the high precision and other times are ignored.
 
@@ -1793,6 +2095,7 @@
             to apply the switch to all three times. For example,
             -tsm4 -tsa4 -tsc4 can be replaced by -ts4, -ts+ or -ts.
             Use -ts- to save only the low precision modification time
+            for RAR 4.x archives, not store file time for RAR 5.0 archives
             or to ignore all three file times on unpacking.
 
             When creating an archive, RAR automatically reduces
@@ -1880,11 +2183,12 @@
             'A' will cause all volumes to be created without a pause.
 
             By default RAR volumes have names like 'volname.partNNN.rar',
-            where NNN is the volume number. Using -vn switch it is
-            possible to switch to another, extension based naming scheme,
-            where the first volume file in a multi-volume set has
-            the extension .rar, following volumes are numbered from .r00
-            to .r99.
+            where NNN is the volume number. For RAR 4.x archive format
+            using -vn switch it is possible to select another,
+            extension based naming scheme, where the first volume file
+            in a multi-volume set has the extension .rar, following
+            volumes are numbered from .r00 to .r99. RAR 5.0 archives
+            do not support -vn and extension based names.
 
             When extracting or testing a multi-volume archive you must use
             only the first volume name. If there is no next volume
@@ -1960,11 +2264,12 @@
     -vn     Use the old style volume naming scheme
 
             By default RAR volumes have names like 'volname.partNNN.rar',
-            where NNN is the volume number. Using -vn switch it is
-            possible to switch to another, extension based naming scheme,
-            where the first volume file in a multi-volume set has
-            the extension .rar, following volumes are numbered from .r00
-            to .r99.
+            where NNN is the volume number. For RAR 4.x archive format
+            using -vn switch it is possible to select another,
+            extension based naming scheme, where the first volume file
+            in a multi-volume set has the extension .rar, following
+            volumes are numbered from .r00 to .r99. RAR 5.0 archives
+            do not support -vn and extension based names.
 
 
     -vp     Pause before each volume
@@ -2048,25 +2353,25 @@
     -y      Assume Yes on all queries.
 
 
-    -z[f]   Read archive comment from file <f>. Use with -sc switch
-            if you need to specify the character set for comment text file.
-            If <f> is not specified, comment is read from stdin.
+    -z[file]
+            Read archive comment from file <file>.
+            
+            This switch can be used with any archive modification command
+            to read the archive comment from file and add it to archive.
+            Use with -sc switch if you need to specify the character set
+            for comment text file. If <file> is not present, comment
+            is read from stdin.
 
 
 
  Limitations
  ~~~~~~~~~~~
 
-    Pathname is limited to 259 symbols.
-
-    Maximum archive comment length is 62000 bytes.
-
     Command limitations:
 
-    The commands 'd','u','f','c','cf' will not operate with archive
-    volumes.
+    Commands 'd','u','f','c','cf' will not operate with archive volumes.
 
-    The command 'a' cannot be used to update an archive volume, only to
+    Command 'a' cannot be used to update an archive volume, only to
     create a new one.
 
 
@@ -2076,31 +2381,21 @@
     RAR exits with a zero code (0) in case of successful operation.
     Non-zero exit code indicates some kind of error:
 
-       0   SUCCESS          Successful operation.
-
-       1   WARNING          Non fatal error(s) occurred.
-
-       2   FATAL ERROR      A fatal error occurred.
-
-       3   CRC ERROR        Invalid CRC32 control sum. Data is damaged.
-
-       4   LOCKED ARCHIVE   Attempt to modify an archive previously locked
-                            by the 'k' command.
-
-       5   WRITE ERROR      Write to disk error.
-
-       6   OPEN ERROR       Open file error.
-
-       7   USER ERROR       Command line option error.
-
-       8   MEMORY ERROR     Not enough memory for operation.
-
-       9   CREATE ERROR     Create file error
-
-      10   NO FILES ERROR   No files matching the specified mask and options
-                            were found.
+    Code   Description   
 
-     255   USER BREAK       User stopped the process
+     0     Successful operation.
+     1     Non fatal error(s) occurred.
+     2     A fatal error occurred.
+     3     Invalid checksum. Data is damaged.
+     4     Attempt to modify an archive locked by 'k' command.
+     5     Write error.
+     6     File open error.
+     7     Wrong command line option.
+     8     Not enough memory.
+     9     File create error
+    10     No files matching the specified mask and options were found.
+    11     Wrong password.
+   255     User stopped the process.
 
 
  Glossary
@@ -2111,12 +2406,13 @@
 
     Compression  A method of encoding data to reduce it's size.
 
-    CRC          Cyclic Redundancy Check. Mathematical method calculating
-                 special checking information for data validity.
+    Checksum     Value calculating for data block or file and allowing to
+                 check data or file validity.
 
-    SFX          Archive module used to extract files from when executed.
-                 (SelF-eXtracting module), usually in the form of a .EXE
-                 file.
+    SFX archive  SelF-eXtracting archive. Archive in executable format,
+                 consisting of self-extracting module followed by
+                 compressed data. It is enough to run such executable to
+                 start extraction.
 
     Solid        An archive packed using a special compression method which
                  sees all files as one continuous data stream. Particularly
@@ -2131,7 +2427,7 @@
 
  Copyrights
 
-    (c) 1993-2012 Alexander Roshal
+    (c) 1993-2015 Alexander Roshal

rarlinux-4.2.0.tar.gz/rar_static -> rarlinux-5.2.1.tar.gz/rar_static Changed

rarlinux-4.2.0.tar.gz/rarfiles.lst -> rarlinux-5.2.1.tar.gz/rarfiles.lst Changed

rarlinux-4.2.0.tar.gz/unrar -> rarlinux-5.2.1.tar.gz/unrar Changed

rarlinux-4.2.0.tar.gz/whatsnew.txt -> rarlinux-5.2.1.tar.gz/whatsnew.txt Changed

@@ -1,6 +1,248 @@
                 RAR - What's new in the latest version
 
 
+   Version 5.21
+
+   1. While previous versions could produce RAR5 volumes of slightly
+      smaller than requested size sometimes, such situation is less
+      likely now. In most cases volume size equals to specified by user.
+
+   2. Now by default RAR skips symbolic links with absolute paths
+      in link target when extracting. You can enable creating such links
+      with -ola switch.
+
+      Such links pointing to directories outside of extraction destination
+      directory can present a security risk. Enable their extraction only
+      if you are sure that archive contents is safe, such as your own backup.
+
+   
+   Version 5.20
+
+   1. RAR can read the default set of switches from .rarrc file stored
+      in the user's home directory. Previously it was possible to
+      define only the same set of switches for all RAR command with
+      "switches=<switches>" string. Now .rarrc also allows to specify
+      separate switch sets for individual RAR commands using
+      the following syntax:
+
+      switches_<command>=<any RAR switches, separated by spaces>
+
+      For example:
+
+      switches_a=-m5 -s
+      switches_x=-o+
+
+   2. File overwrite prompt displays the size and modification time
+      for existing and new files.
+
+   3. When archiving from stdin with -si switch, RAR sets the current system
+      time to modification time of archived file. Previous version did not
+      set this time at all.
+
+   4. It is possible to use -si and -v<size> switches together. Previous
+      versions did not allow to create volumes when archiving from stdin.
+
+   
+   Version 5.11
+
+   1. Timestamp is set to extracted symlinks.
+
+   2. Bugs fixed:
+
+      a) deleting a file in RAR5 solid archive containing files stored
+         with -ver switch caused such files to lose version information.
+
+   
+   Version 5.10
+
+   1. Switch -ai can be used when creating RAR archive,
+      so predefined values, typical for file and directory,
+      are stored instead of actual attributes.
+      Previously this switch could be used only when extracting.
+
+   
+   Version 5.00
+
+   1. New RAR 5.0 archiving format. You can use -ma command line switch
+      to create RAR 5.0 archives. By default RAR creates archives
+      in 4.x format.
+
+   2. Changes in RAR 5.0 compression algorithm:
+
+      a) maximum compression dictionary size is increased up to 1 GB
+         in 64 bit RAR. 32 bit RAR version can use up to 256 MB
+         dictionary when creating an archive. Both 32 bit and 64 bit
+         versions can unpack archives with any dictionary size,
+         including 1 GB;
+
+      b) default dictionary size for RAR 5.0 is 32 MB, typically resulting
+         in higher compression ratio and lower speed than RAR 4.x 4 MB.
+         You can use -md<size> switch to change this value;
+
+      c) -md<size> switch syntax is modified to support larger dictionary
+         sizes. Append 'k', 'm' and 'g' modifiers to specify the size
+         in kilo-, mega- and gigabytes, like -md64m for 64 MB dictionary.
+         If modifiers are not present, megabytes are assumed,
+         so -md64m is equal to -md64;
+
+      d) RAR 5.0 format includes Intel IA-32 executable and delta
+         compression algorithms, but RAR 4.x text, audio, true color
+         and Itanium algorithms are not supported. These excluded algorithms
+         are not efficient for modern data types and hardware configurations;
+
+      e) RAR 5.0 decompression can utilize several CPU cores.
+         Though not to same extent as in compression algorithm,
+         it improves the decompression speed on large files
+         with poorly compressible data or when using BLAKE2 checksums.
+
+   3. Changes in RAR 5.0 archive format:
+
+      a) file times are stored as Coordinated Universal Time (UTC)
+         instead of former local time, making file exchange among
+         several time zones more straightforward;
+
+      b) file names and archive comments use UTF-8 encoding.
+   
+   4. RAR 5.0 recovery record is based on Reed-Solomon error correction
+      codes. If recovery record size is large enough, 5% and more,
+      the new error correction scheme provides much higher resistance to
+      multiple damages comparing to RAR 4.x recovery record.
+      Smaller record, such as 1 - 2%, or less random damage type would
+      result in less difference between 4.x and 5.0. For single continuous
+      damage 4.x and 5.0 efficiency is about the same.
+
+      Additionally to usual data erasures, the new recovery record
+      is able to detect deletions and insertions of much larger size
+      than in previous RAR versions. Maximum insertion size is several
+      megabytes. Maximum deletion size depends on the damage type
+      and in some cases can be as large as the recovery record size.
+      
+      Still, the best recovery performance and efficiency is achieved
+      if no deletions and insertions are present, so all data including
+      damaged sectors preserve their original positions. Thus, if you use
+      some special software to copy an archive from damaged media,
+      it is better to choose the mode, when damaged sectors are filled by
+      zeroes or any other data instead of cutting them out completely
+      from resulting file.
+
+      RAR 5.0 recovery record is more resistant to damage of recovery record
+      itself and can utilize a partially corrupt recovery record data.
+      Note, though, that "Repair" command does not fix broken blocks
+      in recovery record. Only file data are corrected. After successful
+      archive repair, you may need to create a new recovery record
+      for saved files.
+
+      New recovery record is not based on 512 byte sectors anymore 
+      and incorporates more complicated data structures. So it is impossible
+      to specify its size in sectors. For RAR 5.0 archives the parameter of
+      -rr[N] switch and rr[N] command is always treated as a percent of
+      archive size regardless of presence of % character. Typically N%
+      recovery record can repair up to N% of continuously damaged data
+      and increases the archive size by only slightly more than N%.
+      Ability to fix multiple damages is proportional to N.
+
+      We used "Screaming Fast Galois Field Arithmetic Using Intel
+      SIMD Instructions" paper by James S. Plank, Kevin M. Greenan
+      and Ethan L. Miller to improve Reed-Solomon coding performance.
+      Also we are grateful to Artem Drobanov and Bulat Ziganshin
+      for samples and ideas allowed to make Reed-Solomon coding
+      more efficient.
+
+   5. "Test" command verifies validity of RAR 5.0 recovery record.
+      Recovery record is tested after processing all archived files.
+
+      If corrupt archive contains the recovery record, it might be possible
+      to repair it even if recovery record validity test is failed.
+      "Repair" command attempts to utilize even a partially damaged
+      recovery record. So treat the negative recovery record test result
+      as a reason to re-create the archive if original files are still
+      available, but not as a reason to avoid "Repair" command.
+
+   6. Changes in RAR 5.0 encryption algorithm:
+
+      a) encryption algorithm is changed from AES-128 to AES-256 in CBC mode.
+         Key derivation function is based on PBKDF2 using HMAC-SHA256;
+
+      b) special password verification value allows to detect most of
+         wrong passwords without necessity to unpack the entire file;
+
+      c) if archive headers are not encrypted ("Encrypt file names" option
+         is off), file checksums for encrypted RAR 5.0 files are modified
+         using a special password dependent algorithm, to make impossible
+         guessing file contents based on checksums. Do not expect such
+         encrypted file checksums to match usual CRC32 and BLAKE2 values.
+   
+   7. Switch -htb allows to utilize 256 bit length BLAKE2sp hash
+      ( https://blake2.net ) instead of 32 bit CRC32 as a file checksum.
+
+      While producing slightly larger archives, BLAKE2 can be used
+      for file contents identification. If two files have the same
+      BLAKE2 value, it practically guarantees that file contents
+      is the same. BLAKE2 error detection property is also stronger
+      than in much shorter CRC32.
+
+   8. Features removed:
+
+      a) authenticity verification feature did not provide the required
+         level of reliability and was removed;
+      
+      b) switch -en (do not add "end of archive" block) is not supported
+         by RAR 5.0 archives, which always have the end of archive block.
+         This block helps RAR to safely skip external data like
+         digital signatures appended to archive;
+
+      c) old style extension based arcname.rNN volume names are not
+         supported by RAR 5.0 archives, which use only arcname.partN.rar
+         volume names;
+      
+      d) file comments are not supported anymore both in RAR 4.x
+         and RAR 5.0 archives. Console RAR 'cf' command is removed.
+         It does not affect the archive comment support, which is present
+         in both versions of archive format and is not planned for removal.
+
+   9. Switch -oh stores hard links as link instead of file. It is available
+      only for RAR 5.0 archive format.
+   
+  10. Changes in recovery volume processing in RAR 5.0 archive format:
+
+      a) maximum number of RAR+REV volumes in RAR 5.0 format is 65535
+         instead of 255;
+
+      b) recovery volume operations are faster than in RAR 4.x;
+
+      c) additionally to recovery data, RAR 5.0 REV files also store
+         service information such as checksums of protected RAR files.
+         So they are slightly larger than RAR volumes which they protect.
+         If you plan to copy individual RAR and REV files to some removable
+         media, you need to take it into account and specify RAR volume
+         size by a few kilobytes smaller than media size.
+  
+  11. Command line RAR returns the exit code 11 if it can detect that
+      user entered a wrong password. This code can be returned only
+      for RAR 5.0 archives. It is impossible to distinguish a wrong
+      password and data damage for RAR 4.x archives.
+
+  12. 'v' and 'l' commands display archived file names in the end of line,
+      not in that beginning as before. Also some fields previously
+      available in 'l' and 'v' output are now shown only by 'lt' and 'vt'.
+      
+      'vt' and 'lt' commands provide the detailed multiline information
+      for every archived file.
+
+      'vta' and 'lta' also include service headers into list.
+
+   13. UTF-16 little endian encoding is used in RAR log file rar.log,
+       so Unicode file names are stored in the log correctly.
+
+       You can use -sc<charset>g switch to change the default log file
+       encoding, such as -scag for native single byte encoding.
+
+   14. Command line 'r' (repair) command can include an optional destpath\
+       parameter defining the destination folder for repaired archive:
+
+       rar r archive.rar destpath\
+
+   
    Version 4.20
 
    1. Changes in RAR compression:

rarlinux-x64-4.2.0.tar.gz/technote.txt Deleted

@@ -1,275 +0,0 @@
-
-               RAR version 4.20 - Technical information
-               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
- THE ARCHIVE FORMAT DESCRIBED BELOW IS ONLY VALID FOR VERSIONS SINCE 1.50
-
- ==========================================================================
-                         RAR archive file format
- ==========================================================================
-
-   Archive file consists of variable length blocks. The order of these
-blocks may vary, but the first block must be a marker block followed by
-an archive header block.
-
-   Each block begins with the following fields:
-
-HEAD_CRC       2 bytes     CRC of total block or block part
-HEAD_TYPE      1 byte      Block type
-HEAD_FLAGS     2 bytes     Block flags
-HEAD_SIZE      2 bytes     Block size
-ADD_SIZE       4 bytes     Optional field - added block size
-
-   Field ADD_SIZE present only if (HEAD_FLAGS & 0x8000) != 0
-
-   Total block size is HEAD_SIZE if (HEAD_FLAGS & 0x8000) == 0
-and HEAD_SIZE+ADD_SIZE if the field ADD_SIZE is present - when
-(HEAD_FLAGS & 0x8000) != 0.
-
-   In each block the followings bits in HEAD_FLAGS have the same meaning:
-
-  0x4000 - if set, older RAR versions will ignore the block
-           and remove it when the archive is updated.
-           if clear, the block is copied to the new archive
-           file when the archive is updated;
-
-  0x8000 - if set, ADD_SIZE field is present and the full block
-           size is HEAD_SIZE+ADD_SIZE.
-
-  Declared block types:
-
-HEAD_TYPE=0x72          marker block
-HEAD_TYPE=0x73          archive header
-HEAD_TYPE=0x74          file header
-HEAD_TYPE=0x75          old style comment header
-HEAD_TYPE=0x76          old style authenticity information
-HEAD_TYPE=0x77          old style subblock
-HEAD_TYPE=0x78          old style recovery record
-HEAD_TYPE=0x79          old style authenticity information
-HEAD_TYPE=0x7a          subblock
-
-   Comment block is actually used only within other blocks and doesn't
-exist separately.
-
-   Archive processing is made in the following manner:
-
-1. Read and check marker block
-2. Read archive header
-3. Read or skip HEAD_SIZE-sizeof(MAIN_HEAD) bytes
-4. If end of archive encountered then terminate archive processing,
-   else read 7 bytes into fields HEAD_CRC, HEAD_TYPE, HEAD_FLAGS,
-   HEAD_SIZE.
-5. Check HEAD_TYPE.
-   if HEAD_TYPE==0x74
-     read file header ( first 7 bytes already read )
-     read or skip HEAD_SIZE-sizeof(FILE_HEAD) bytes
-     if (HEAD_FLAGS & 0x100)
-       read or skip HIGH_PACK_SIZE*0x100000000+PACK_SIZE bytes
-     else
-       read or skip PACK_SIZE bytes
-   else
-     read corresponding HEAD_TYPE block:
-       read HEAD_SIZE-7 bytes
-       if (HEAD_FLAGS & 0x8000)
-         read ADD_SIZE bytes
-6. go to 4.
-
-
- ==========================================================================
-                               Block Formats
- ==========================================================================
-
-
-   Marker block ( MARK_HEAD )
-
-
-HEAD_CRC        Always 0x6152
-2 bytes
-
-HEAD_TYPE       Header type: 0x72
-1 byte
-
-HEAD_FLAGS      Always 0x1a21
-2 bytes
-
-HEAD_SIZE       Block size = 0x0007
-2 bytes
-
-   The marker block is actually considered as a fixed byte
-sequence: 0x52 0x61 0x72 0x21 0x1a 0x07 0x00
-
-
-
-   Archive header ( MAIN_HEAD )
-
-
-HEAD_CRC        CRC of fields HEAD_TYPE to RESERVED2
-2 bytes
-
-HEAD_TYPE       Header type: 0x73
-1 byte
-
-HEAD_FLAGS      Bit flags:
-2 bytes
-                0x0001  - Volume attribute (archive volume)
-                0x0002  - Archive comment present
-                          RAR 3.x uses the separate comment block
-                          and does not set this flag.
-
-                0x0004  - Archive lock attribute
-                0x0008  - Solid attribute (solid archive)
-                0x0010  - New volume naming scheme ('volname.partN.rar')
-                0x0020  - Authenticity information present
-                          RAR 3.x does not set this flag.
-
-                0x0040  - Recovery record present
-                0x0080  - Block headers are encrypted
-                0x0100  - First volume (set only by RAR 3.0 and later)
-
-                other bits in HEAD_FLAGS are reserved for
-                internal use
-
-HEAD_SIZE       Archive header total size including archive comments
-2 bytes
-
-RESERVED1       Reserved
-2 bytes
-
-RESERVED2       Reserved
-4 bytes
-
-
-
-   File header (File in archive)
-
-
-HEAD_CRC        CRC of fields from HEAD_TYPE to FILEATTR
-2 bytes         and file name
-
-HEAD_TYPE       Header type: 0x74
-1 byte
-
-HEAD_FLAGS      Bit flags:
-2 bytes
-                0x01 - file continued from previous volume
-                0x02 - file continued in next volume
-                0x04 - file encrypted with password
-
-                0x08 - file comment present
-                       RAR 3.x uses the separate comment block
-                       and does not set this flag.
-
-                0x10 - information from previous files is used (solid flag)
-                       (for RAR 2.0 and later)
-
-                bits 7 6 5 (for RAR 2.0 and later)
-
-                     0 0 0    - dictionary size   64 KB
-                     0 0 1    - dictionary size  128 KB
-                     0 1 0    - dictionary size  256 KB
-                     0 1 1    - dictionary size  512 KB
-                     1 0 0    - dictionary size 1024 KB
-                     1 0 1    - dictionary size 2048 KB
-                     1 1 0    - dictionary size 4096 KB
-                     1 1 1    - file is directory
-
-               0x100 - HIGH_PACK_SIZE and HIGH_UNP_SIZE fields
-                       are present. These fields are used to archive
-                       only very large files (larger than 2Gb),
-                       for smaller files these fields are absent.
-
-               0x200 - FILE_NAME contains both usual and encoded
-                       Unicode name separated by zero. In this case
-                       NAME_SIZE field is equal to the length
-                       of usual name plus encoded Unicode name plus 1.
-
-                       If this flag is present, but FILE_NAME does not
-                       contain zero bytes, it means that file name
-                       is encoded using UTF-8.
-
-               0x400 - the header contains additional 8 bytes
-                       after the file name, which are required to
-                       increase encryption security (so called 'salt').
-
-               0x800 - Version flag. It is an old file version,
-                       a version number is appended to file name as ';n'.
-
-              0x1000 - Extended time field present.
-
-              0x8000 - this bit always is set, so the complete
-                       block size is HEAD_SIZE + PACK_SIZE
-                       (and plus HIGH_PACK_SIZE, if bit 0x100 is set)
-
-HEAD_SIZE       File header full size including file name and comments
-2 bytes
-
-PACK_SIZE       Compressed file size
-4 bytes
-
-UNP_SIZE        Uncompressed file size
-4 bytes
-
-HOST_OS         Operating system used for archiving
-1 byte                 0 - MS DOS
-                       1 - OS/2
-                       2 - Windows
-                       3 - Unix
-                       4 - Mac OS
-                       5 - BeOS
-
-FILE_CRC        File CRC
-4 bytes
-
-FTIME           Date and time in standard MS DOS format
-4 bytes
-
-UNP_VER         RAR version needed to extract file
-1 byte
-                Version number is encoded as
-                10 * Major version + minor version.
-
-METHOD          Packing method
-1 byte
-                0x30 - storing
-                0x31 - fastest compression
-                0x32 - fast compression
-                0x33 - normal compression
-                0x34 - good compression
-                0x35 - best compression
-
-NAME_SIZE       File name size
-2 bytes
-
-ATTR            File attributes
-4 bytes
-
-HIGH_PACK_SIZE  High 4 bytes of 64 bit value of compressed file size.
-4 bytes         Optional value, presents only if bit 0x100 in HEAD_FLAGS
-                is set.
-
-HIGH_UNP_SIZE   High 4 bytes of 64 bit value of uncompressed file size.
-4 bytes         Optional value, presents only if bit 0x100 in HEAD_FLAGS
-                is set.
-
-FILE_NAME       File name - string of NAME_SIZE bytes size
-
-SALT            present if (HEAD_FLAGS & 0x400) != 0
-8 bytes
-
-EXT_TIME        present if (HEAD_FLAGS & 0x1000) != 0
-variable size
-
-other new fields may appear here.
-
-
- ==========================================================================
-                              Application notes
- ==========================================================================
-
-   1. To process an SFX archive you need to skip the SFX module searching
-for the marker block in the archive. There is no marker block sequence (0x52
-0x61 0x72 0x21 0x1a 0x07 0x00) in the SFX module itself.
-
-   2. The CRC is calculated using the standard polynomial 0xEDB88320. In
-case the size of the CRC is less than 4 bytes, only the low order bytes
-are used.

rarlinux-x64-4.2.0.tar.gz/acknow.txt -> rarlinux-x64-5.2.1.tar.gz/acknow.txt Changed

@@ -1,5 +1,12 @@
                            ACKNOWLEDGMENTS
 
+* We used "Screaming Fast Galois Field Arithmetic Using Intel
+  SIMD Instructions" paper by James S. Plank, Kevin M. Greenan
+  and Ethan L. Miller to improve Reed-Solomon coding performance.
+  Also we are grateful to Artem Drobanov and Bulat Ziganshin
+  for samples and ideas allowed to make Reed-Solomon coding
+  more efficient.
+
 * RAR text compression algorithm is based on Dmitry Shkarin PPMII
   and Dmitry Subbotin carryless rangecoder public domain source code.
   You may find it in ftp.elf.stuba.sk/pub/pc/pack.
@@ -77,5 +84,9 @@
     OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     SUCH DAMAGE.
 
+* RAR archives may optionally include BLAKE2sp hash ( https://blake2.net ),
+  designed by Jean-Philippe Aumasson, Samuel Neves, Zooko Wilcox-O'Hearn
+  and Christian Winnerlein.
+
 * Useful hints provided by Alexander Khoroshev and Bulat Ziganshin allowed
   to significantly improve RAR compression and speed.

rarlinux-x64-4.2.0.tar.gz/default.sfx -> rarlinux-x64-5.2.1.tar.gz/default.sfx Changed

rarlinux-x64-4.2.0.tar.gz/license.txt -> rarlinux-x64-5.2.1.tar.gz/license.txt Changed

@@ -9,7 +9,7 @@
      Alexander L. Roshal. The licensor and as such issuer of the license
      and bearer of the worldwide exclusive usage rights including the rights
      to reproduce, distribute and make the software available to the public
-     in any form is win.rar GmbH, Schumannstr. 17, 10117 Berlin, Germany.
+     in any form is win.rar GmbH, Marienstr. 12, 10117 Berlin, Germany.
 
   2. The software is distributed as try before you buy. This means that
      anyone may use the software during a test period of a maximum of 40 days
@@ -24,10 +24,23 @@
 
      b. The software's unlicensed trial version may not be distributed
         inside of any other software package without written permission.
-
-     c. Hacks/cracks, keys or key generators may not be included, pointed to
+        The software must remain in the original unmodified installation
+        file for download without any barrier and conditions to the user
+        such as collecting fees for the download or making the download
+        conditional on the user giving his contact data.
+
+     c. The unmodified installation file of WinRAR must be provided pure
+        and unpaired. Any bundling is interdicted. In particular the use
+        of any install or download software which is providing any kind
+        of download bundles is prohibited unless granted by win.rar GmbH
+        in written form.
+
+     d. Hacks/cracks, keys or key generators may not be included, pointed to
         or referred to by the distributor of the trial version.
 
+     e. In case of violation of the precedent conditions the allowance
+        lapses immediately and automatically.
+
   4. The trial version of the software can display a registration reminder
      dialog. Depending on the software version and configuration such dialog
      can contain either a predefined text and links loaded locally

rarlinux-x64-4.2.0.tar.gz/rar -> rarlinux-x64-5.2.1.tar.gz/rar Changed

rarlinux-x64-4.2.0.tar.gz/rar.txt -> rarlinux-x64-5.2.1.tar.gz/rar.txt Changed

@@ -1,6 +1,6 @@
                              User's Manual
                              ~~~~~~~~~~~~~
-                        RAR 4.20 console version
+                        RAR 5.21 console version
                         ~~~~~~~~~~~~~~~~~~~~~~~~
 
                        =-=-=-=-=-=-=-=-=-=-=-=-=-=-
@@ -10,47 +10,52 @@
  Introduction
  ~~~~~~~~~~~~
 
-    RAR is a powerful tool allowing you to manage and control archive
-  files. Console RAR supports archives only in RAR format, the names
-  of which usually have a ".rar" extension. ZIP and other formats
-  are not supported. Windows users may install GUI RAR version - WinRAR,
-  which is able to process many more archive types.
+    RAR is a console application allowing to manage archive files
+  in command line mode. RAR provides compression, encryption,
+  data recovery and many other functions described in this manual.
 
-    While console RAR and GUI WinRAR have the similar command line syntax,
+    RAR supports only RAR format archives, which have .rar file name
+  extension by default. ZIP and other formats are not supported.
+  Even if you specify .zip extension when creating an archive, it will
+  still be in RAR format. Windows users may install WinRAR, which supports
+  more archive types including RAR and ZIP formats.
+
+    WinRAR provides both graphical user interface and command line mode.
+  While console RAR and GUI WinRAR have the similar command line syntax,
   some differences exist. So it is recommended to use this rar.txt manual
   for console RAR (rar.exe in case of Windows version) and winrar.chm
   WinRAR help file for GUI WinRAR (winrar.exe).
 
-  RAR features include:
-
-    *  Highly sophisticated, original compression algorithm
-    *  Special compression algorithms optimized for text, audio,
-       graphics data, 32 and 64-bit Intel executables
-    *  Better compression than similar tools, using 'solid' archiving
-    *  Authenticity verification (registered version only)
-    *  Self-extracting archives and volumes (SFX)
-    *  Ability to recover physically damaged archives
-    *  Locking, password, file order list, file security & more ...
-
 
  Configuration file
  ~~~~~~~~~~~~~~~~~~
 
-  RAR for Unix reads configuration information from the file .rarrc
-  in the user's home directory (stored in HOME environment variable)
+  RAR and UnRAR for Unix read configuration information from .rarrc file
+  in a user's home directory (stored in HOME environment variable)
   or in /etc directory.
 
-  RAR for Windows reads configuration information from the file rar.ini,
+  RAR and UnRAR for Windows read configuration information from rar.ini file,
   placed in the same directory as the rar.exe file.
 
   This file may contain the following string:
 
-  switches=any RAR switches, separated by spaces
+  switches=<any RAR switches separated by spaces>
 
   For example:
 
   switches=-m5 -s
 
+  It is also possible to specify separate switch sets for individual
+  RAR commands using the following syntax:
+
+  switches_<command>=<any RAR switches separated by spaces>
+
+  For example:
+
+  switches_a=-m5 -s
+  switches_x=-o+
+
+
 
  Environment variable
  ~~~~~~~~~~~~~~~~~~~~
@@ -142,7 +147,7 @@
     If you wish to read file names from stdin (standard input),
     specify the empty listfile name (just @).
 
-    By default, Windows console RAR uses OEM (DOS) encoding in list files.
+    By default, console RAR uses the single byte encoding in list files,
     but it can be redefined with -sc<charset>l switch.
 
     You may specify both usual file names and list files in the same
@@ -218,19 +223,11 @@
             rar c -zinfo.txt dummy
 
 
-    cf      Add files comment. File comments are displayed when the 'v'
-            command is given. File comment length is limited to 32767 bytes.
-
-            Example:
-
-            rar cf bigarch *.txt
-
-
     ch      Change archive parameters.
 
             This command can be used with most of archive modification
             switches to modify archive parameters. It is especially
-            convenient for switches like -av, -cl, -cu, -tl, which do not
+            convenient for switches like -cl, -cu, -tl, which do not
             have a dedicated command.
 
             It is not able to recompress, encrypt or decrypt archive data
@@ -266,7 +263,20 @@
             the empty archive would removed.
 
 
-    e       Extract files to current directory.
+    e       Extract files without archived paths.
+
+            Extract files excluding their path component, so all files
+            are created in the same destination directory.
+
+            Use 'x' command if you wish to extract full pathnames.
+
+            Example:
+
+            rar e -or html.rar *.css css\
+
+            extract all *.css files from html.rar archive to 'css' folder
+            excluding archived paths. Rename extracted files automatically
+            in case several files have the same name.
 
 
     f       Freshen files in archive. Updates those files changed since they
@@ -315,12 +325,29 @@
             rar k final.rar
 
 
-    l[t,b]  List contents of archive [technical]. Files are listed as with
-            the 'v' command with the exception of the file path. i.e. only
-            the file name is displayed. Optional technical information
-            (host OS, solid flag and old version flag) is displayed
-            when 't' modifier is used. Modifier 'b' forces RAR to output
-            only bare file names without any additional information.
+    l[t[a],b]
+            List archive contents [technical [all], bare].
+    
+            'l' command lists archived file attributes, size, date,
+            time and name, one file per line. If file is encrypted,
+            line starts from '*' character.
+
+            'lt' displays the detailed file information in multiline mode.
+            This information includes file checksum value, host OS,
+            compression options and other parameters.
+
+            'lta' provide the detailed information not only for files,
+            but also for service headers like NTFS streams
+            or file security data.
+
+            'lb' lists bare file names with path, one per line,
+            without any additional information.
+
+            You can use -v switch to list contents of all volumes
+            in volume set: rar l -v vol.part1.rar
+
+            Commands 'lt', 'lta' and 'lb' are equal to 'vt', 'vta'
+            and 'vb' correspondingly.
 
 
     m[f]    Move to archive [files only]. Moving files and directories
@@ -336,47 +363,41 @@
             all RAR messages and print only file data. It may be important
             when you need to send a file to stdout for use in pipes.
 
-
+    
     r       Repair archive. Archive repairing is performed in two stages.
             First, the damaged archive is searched for a recovery record
-            (see 'rr' command). If the archive contains a recovery record
-            and if the portion of the damaged data is continuous and less
-            than N*512 bytes, where N is number of recovery sectors placed
-            into the archive, the chance of successful archive
-            reconstruction is very high. When this stage has been completed,
-            a new archive will be created, called fixed.arcname.rar,
-            where 'arcname' is the original (damaged) archive name.
-
-            If a broken archive does not contain a recovery record or if
-            the archive is not completely recovered due to major damage,
-            a second stage is performed. During this stage only the archive
+            (see 'rr' command). If archive contains the previously added
+            recovery record and if damaged data area is continuous
+            and smaller than error correction code size in recovery record,
+            chance of successful archive reconstruction is high.
+            When this stage has been completed, a new archive is created,
+            named as fixed.arcname.rar, where 'arcname' is the original
+            (damaged) archive name.            
+
+            If broken archive does not contain a recovery record or if
+            archive is not completely recovered due to major damage,
+            second stage is performed. During this stage only the archive
             structure is reconstructed and it is impossible to recover
-            files which fail the CRC validation, it is still possible,
+            files which fail checksum validation, it is still possible,
             however, to recover undamaged files, which were inaccessible
             due to the broken archive structure. Mostly this is useful
-            for non-solid archives. This stage is never efficient for
-            archives with encrypted file headers, which can be repaired
+            for non-solid archives. This stage is never efficient
+            for archives with encrypted file headers, which can be repaired
             only if recovery record is present.
 
             When the second stage is completed, the reconstructed archive
-            will be saved as rebuilt.arcname.rar, where 'arcname' is
+            is saved as rebuilt.arcname.rar, where 'arcname' is
             the original archive name.
 
-            While the recovery is in progress, RAR may prompt the user for
-            assistance when a suspicious file is detected.
-
-                      Suspicious entry
-
-              Name:  <possibly filename>
-              Size:  <size>    Packed: <compressed size>
-
-                      Add it: Yes/No/All
-
-            Answer 'y' to add this entry to the file rebuilt.arcname.rar.
+            By default, repaired archives are created in the current
+            directory, but you can append an optional destpath\ parameter
+            to specify another destination directory.
 
             Example:
 
-            rar r buggy.rar
+            rar r buggy.rar c:\fixed\
+
+            repair buggy.rar and place the result to 'c:\fixed' directory.
 
 
     rc      Reconstruct missing and damaged volumes using recovery volumes
@@ -416,38 +437,81 @@
 
 
     rr[N]   Add data recovery record. Optionally, redundant information
-            (recovery record) may be added to an archive. This will cause
-            a small increase of the archive size and helps to recover
-            archived files in case of disk failure or data losses of
-            any other kind, provided that the damage is not too severe.
-
-            A recovery record contains up to 524288 recovery sectors.
-            The number of sectors may be specified directly in the 'rr'
-            command (N = 1, 2 .. 524288) or, if it is not specified by
-            the user, it will be selected automatically according to the
-            archive size: a size of the recovery information will be about
-            1% of the total archive size, usually allowing the recovery of
-            up to 0.6% of the total archive size of continuously damaged data.
+            (recovery record) may be added to archive. While it increases
+            the archive size, it helps to recover archived files in case of
+            disk failure or data loss of other kind, provided that damage
+            is not too severe. Such damage recovery can be done with
+            command "r" (repair).
+
+            RAR 4.x and RAR 5.0 archives use different recovery record
+            structure and algorithms.
+
+            RAR 4.x recovery record is based on XOR algorithm.
+            You can specify 4.x record size as a number of recovery sectors
+            or as a percent of archive size. To specify a number of sectors
+            just add it directly after 'rr', like 'rr1000' for 1000 sectors.
+            To use a percent append 'p' or '%' modifier after the percent
+            number, such as 'rr5p' or 'rr5%' for 5%. Note that in Windows
+            .bat and .cmd files it is necessary to use 'rr5%%' instead of
+            'rr5%', because the command processor treats the single '%'
+            as the start of a batch file parameter, so it might be more
+            convenient to use 'p' instead of '%' in this case.
+
+            RAR 4.x recovery sectors are 512 bytes long. If damaged area
+            is continuous, every sector helps to recover 512 bytes of
+            damaged information. This value may be lower in cases of
+            multiple damage. Maximum number of recovery sectors is 524288.
+
+            Size of 4.x recovery record may be approximately determined as
+            <archive size>/256 + <number of recovery sectors>*512 bytes.
+
+            RAR 5.0 recovery record uses Reed-Solomon error correction codes.
+            Its ability to repair continuous damage is about the same
+            as for RAR 4.x, allowing to restore slightly less data than
+            recovery record size. But it is significantly more efficient
+            than RAR 4.x record in case of multiple damaged areas.
+
+            RAR 5.0 record does not use 512 byte sectors and you can specify
+            its size only as a percent of archive size. Even if '%' or 'p'
+            modifier is not present, RAR treats the value as a percent
+            in case of RAR 5.0 format, so both 'rr5' and 'rr5p' mean 5%.
+            Due to service data overhead the actual resulting recovery record
+            size only approximately matches the user defined percent
+            and difference is larger for smaller archives.
+
+            RAR 5.0 recovery record size cannot exceed the protecting
+            archive size, so you cannot use more than 100% as a parameter.
+            Larger recovery records are processed slower both when creating
+            and repairing.
+
+            RAR 5.0 recovery record is more resistant to damage of recovery
+            record itself and can utilize a partially corrupt recovery
+            record data. Note, though, that 'R' repair command does not fix
+            broken blocks in recovery record. Only file data are corrected.
+            After successful archive repair, you may need to create a new
+            recovery record for saved files.
+
+            Both 4.x and 5.0 records are most efficient if data positions
+            in damaged archive are not shifted. If you copy an archive
+            from damaged media using some special software and if you have
+            a choice to fill damaged areas with zeroes or to cut out them
+            from copied file, filling with zeroes or any other value is
+            preferable, because it allows to preserve original data positions.
+            Still, even though it is not an optimal mode, both versions
+            of records attempt to repair data even in case of deletions
+            or insertions of reasonable size, when data positions were
+            shifted. RAR 5.0 recovery record handles deletions and insertions
+            more efficiently than RAR 4.x.
+
+            If you use the plain 'rr' command without optional parameter,
+            RAR will set the recovery record size to 3% of archive size
+            by default.
 
-            It is also possible to specify the recovery record size in
-            percent to the archive size. Just append the percent character
-            to the command parameter. For example:
-
-            rar rr3% arcname
-
-            Note that if you run this command from .bat or .cmd file,
-            you need to use rr3%% instead of rr3%, because the command
-            processor treats the single '%' character as the start of
-            a batch file parameter. You may also use 'p' instead of '%',
-            so 'rr3p' will work too.
+            Example:
 
-            If data is damaged continuously, then each rr-sector helps to
-            recover 512 bytes of damaged information. This value may be
-            lower in cases of multiple damage.
+            rar rr5p arcname
 
-            The size of the recovery record may be approximately determined
-            by the formula <archive size>/256 + <number of recovery
-            sectors>*512 bytes.
+            add the recovery record of 5% of archive size.
 
 
     rv[N]   Create recovery volumes (.rev files), which can be later
@@ -470,7 +534,7 @@
             3 missing volumes. If the number of .rev files is less than
             the number of missing volumes, reconstructing is impossible.
             The total number of usual and recovery volumes must not
-            exceed 255.
+            exceed 255 for RAR 4.x and 65535 for RAR 5.0 archive format.
 
             Original RAR volumes must not be modified after creating
             recovery volumes. Recovery algorithm uses data stored both
@@ -478,10 +542,18 @@
             So if you modify RAR volumes, for example, lock them, after
             creating REV files, recovery process will fail.
 
+            Additionally to recovery data, RAR 5.0 recovery volumes
+            also store service information such as checksums of protected
+            RAR files. So they are slightly larger than RAR volumes
+            which they protect. If you plan to copy individual RAR and REV
+            files to some removable media, you need to take it into account
+            and specify RAR volume size by a few kilobytes smaller
+            than media size.
+
             The optional <N> parameter specifies a number of recovery
             volumes to create and must be less than the total number
             of RAR volumes in the set. You may also append a percent
-            character to this parameter, in such case the number of
+            or 'p' character to this parameter, in such case the number of
             creating .rev files will be equal to this percent taken
             from the total number of RAR volumes. For example:
 
@@ -536,55 +608,49 @@
             into the archive.
 
 
-    v[t,b]  Verbosely list the contents of archive [technical].
-            Files are listed using the format: full pathname, file comment,
-            original and compressed size, compression ratio, last update
-            date and time, attributes, CRC, compression method and minimum
-            RAR version required to extract.
+    v[t[a],b]
+            Verbosely list archive contents [technical [all], bare].
+    
+            'v' command lists archived file attributes, size, packed size,
+            compression ratio, date, time, checksum and name, one file
+            per line. If file is encrypted, line starts from '*' character.
+            For BLAKE2sp checksum only two first and one last symbol are
+            displayed.
 
-            Compression method information is displayed as m<N><d>.
-            N shows the file compression method and uses same values
-            as -m<n> switch, where '0', '1', ..., '5' mean 'store',
-            'fastest', ..., 'best'. 'd' indicates the compression
-            dictionary, as in -md<n> switch, where 'a', 'b', ..., 'g'
-            mean 64 KB, 128 KB, ..., 4096 KB. Directories always have
-            '0' compression method and no dictionary size.
+            'vt' displays the detailed file information in multiline mode.
+            This information includes file checksum value, host OS,
+            compression options and other parameters.
 
-            Optional technical information such as "Host OS", "Solid"
-            and "Old" flags is displayed, when 't' modifier is used.
-            "Host OS" shows the native operating system of RAR version
-            used to create an archive. "Solid" flag is set if file uses
-            the compression statistics from preceding files (see -s switch).
-            "Old" flag means "Old file version" and indicates if it is
-            the latest or old file version (see -ver switch for details).
+            'vta' provide the detailed information not only for files,
+            but also for service headers like NTFS streams
+            or file security data.
 
-            Modifier 'b' forces RAR to output only bare file names without
-            any additional information.
+            'vb' lists bare file names with path, one per line,
+            without any additional information.
 
-            To list the contents of all archive volumes, use an asterisk
-            ('*') in place of the archive file extension or use the '-v'
-            switch.
+            You can use -v switch to list contents of all volumes
+            in volume set: rar v -v vol.part1.rar
 
-            Example:
+            Commands 'vt', 'vta' and 'vb' are equal to 'lt', 'lta'
+            and 'lb' correspondingly.
 
-            1) list contents of system.rar archive (technical mode)
-               and redirect output to file techlist.lst
 
-               rar vt system >techlist.lst
+    x       Extract files with full path.
 
-            2) list contents of tutorial.rar archive (bare file names mode)
+            Examples:
 
-               rar vb tutorial
+            1) extract 10cents.txt to current directory not displaying
+               the archive comment
 
+               rar x -c- dime 10cents.txt
 
-    x       Extract files with full path.
+            2) extract *.txt from docs.rar to c:\docs directory
 
-            Example:
+               rar x docs.rar *.txt c:\docs\
 
-            rar x -av- -c- dime 10cents.txt
+            3) extract the entire contents of docs.rar to current directory
 
-            extract specified file to current path. AV check and comment
-            show are disabled.
+               rar x docs.rar
 
 
     Switches (used in conjunction with a command):
@@ -639,6 +705,11 @@
     -ac     Clear Archive attribute after compression or extraction
             (Windows version only).
 
+            If this switch is specified when archiving, "Archive" file
+            attribute is cleared for successfully compressed files.
+            When extracting, this switch will clear "Archive" attribute
+            for extracted files.
+
 
     -ad     Append archive name to destination path.
 
@@ -740,6 +811,10 @@
             This switch preserves attributes assigned by operating system
             to a newly created file.
 
+            If this switch is used when archiving, predefined values,
+            typical for file and directory, are stored instead of actual
+            attributes.
+
             In Windows it affects archive, system, hidden and read-only
             attributes. in Unix - user, group, and others file permissions.
 
@@ -790,40 +865,6 @@
             than the creation of a new archive.
 
 
-    -av     Put authenticity verification (registered versions only).
-            RAR will put, in every new and updated archive, information
-            concerning the creator, last update time and archive name.
-
-            If an archive, containing authenticity verification, is being
-            modified and this switch is not specified, the authenticity
-            verification information will be removed.
-
-            When extracting, testing, listing or updating an archive with
-            the '-av' switch, RAR will perform integrity validation and
-            display the message:
-
-              Verifying authenticity information ...
-
-            In the case of successful authenticity verification,
-            message 'Ok', creator name and last update information will be
-            displayed. In the case of authenticity verification failure,
-            message 'FAILED' will be displayed.
-
-            RAR authenticity verification can be forged and does not
-            provide the same level of security as modern digital signature
-            schemes based on public key infrastructure. We recommend
-            to use this RAR feature as informational only, like a special
-            archive comment. Avoid it in situations, when accurate
-            information about archive creator is important.
-
-            In order to enable the authenticity verification feature,
-            the program must be registered. Please contact your local
-            distribution site or the world-wide distribution center.
-
-
-    -av-    Disable authenticity verification checking or adding.
-
-
     -cfg-   Ignore configuration file and RAR environment variable.
 
 
@@ -891,14 +932,10 @@
             remove empty directories.
 
 
-    -ee     Do not process extended attributes
-
-            Disables saving and restoring extended file attributes.
-            Only for OS/2 versions.
-
-
     -en     Do not add "end of archive" block
 
+            Not supported for RAR 5.0 archives.
+            
             By default, RAR adds an "end of archive" block to the end of
             a new or updated archive. It allows to skip external data like
             digital signatures safely, but in some special cases it may be
@@ -919,8 +956,8 @@
             archive with the same name.
 
 
-    -ep1    Exclude base dir from names. Do not store the path entered in
-            the command line.
+    -ep1    Exclude base dir from names. Do not store the path entered
+            in the command line.
 
             Example:
 
@@ -937,7 +974,7 @@
             cd ..
 
 
-    -ep2    Expand paths to full. Store full file paths (except a drive
+    -ep2    Expand paths to full. Store full file paths (except the drive
             letter and leading path separator) when archiving.
 
 
@@ -1043,6 +1080,55 @@
             secret.rar using the password 'fGzq5yKw'
 
 
+    -ht[b|c]
+            Select hash type [BLAKE2,CRC32] for file checksum.
+
+            File data integrity in RAR archive is protected by checksums
+            calculated and stored for every archived file.
+
+            By default, RAR uses CRC32 function to calculate the checksum.
+            RAR 5.0 archive format also allows to select BLAKE2sp hash
+            function instead of CRC32.
+
+            Specify -htb switch for BLAKE2sp and -htc for CRC32 hash function.
+            Since CRC32 is the default algorithm, you may need -htc only to
+            override -htb in RAR configuration.
+
+            CRC32 output is 32 bit length. While CRC32 properties are
+            suitable to detect most of unintentional data errors,
+            it is not reliable enough to verify file data identity.
+            In other words, if two files have the same CRC32,
+            it does not guarantee that file contents is the same.
+
+            BLAKE2sp output is 256 bit. Being a cryptographically strong
+            hash function, it practically guarantees that if two files
+            have the same value of BLAKE2sp, their contents is the same.
+            BLAKE2sp error detection property is also more reliable than
+            in shorter CRC32.
+            
+            Since BLAKE2sp output is longer, resulting archive is
+            slightly larger for -htb switch.
+
+            If archive headers are unencrypted (no switch -hp), checksums
+            for encrypted RAR 5.0 files are modified using a special
+            password dependent algorithm, to make impossible guessing
+            file contents based on checksums. Do not expect such encrypted
+            file checksums to match usual CRC32 and BLAKE2sp values.
+            
+            This switch is supported only by RAR 5.0 format, so you
+            need to use -ma switch with it.
+
+            You can see checksums of archived files using 'vt' or 'lt'
+            commands.
+    
+
+            Example:
+
+            rar a -ma -htb lists.rar *.lst
+
+            will add *.lst to lists.rar using BLAKE2sp for file checksums.
+
+
     -id[c,d,p,q]
             Disable messages.
 
@@ -1092,11 +1178,16 @@
             Windows: rar.log file in %APPDATA%\WinRAR directory.
 
             If 'name' parameter includes a file name without path,
-            RAR will create the log file in default directory from
-            the list above using the specified name. Include both path
+            RAR will create the log file in the default directory
+            mentioned above using the specified name. Include both path
             and name to 'name' parameter if you wish to change
             the location of log file.
 
+            By default, log file uses UTF-16 little endian encoding,
+            but it can be changed with -sc<charset>g switch, such as -scag
+            for native single byte encoding.
+
+
             Example:
 
             rar a -ilogc:\log\backup.log backup d:\docs
@@ -1120,9 +1211,9 @@
 
     -kb     Keep broken extracted files.
 
-            RAR, by default, deletes files with CRC errors after
-            extraction. The switch -kb specifies that files with
-            CRC errors should not be deleted.
+            RAR, by default, deletes files with checksum errors
+            after extraction. The switch -kb specifies that files
+            with checksum errors should not be deleted.
 
 
     -log[fmt][=name]
@@ -1192,11 +1283,17 @@
             If this switch is not specified, RAR uses -m3 method
             (normal compression).
 
-            By default, RAR uses only the general compression algorithm
-            in -m1 and -m2 methods, advanced algorithms like audio
-            and true color processing are enabled only in -m3..-m5 modes,
-            advanced text compression is disabled in all modes.
-            This default can be overridden using -mc switch.
+
+    -ma[4|5]
+            Specify a version of archiving format.
+
+            By default RAR creates archives in RAR 4.x format.
+            Use -ma5 or just -ma to create RAR 5.0 archives.
+            Use -ma4 in case you need to override -ma5 saved
+            in configuration and force RAR to use RAR 4.x format.
+
+            This switch is used only when creating a new archive.
+            It is ignored when updating an existing archive.
 
 
     -mc<par>
@@ -1225,6 +1322,8 @@
               I       - 64-bit Intel Itanium executables compression;
               T       - text compression.
 
+            RAR 5.0 archive format supports only 'D' and 'E' values.
+
             '+' sign at the end of switch applies the selected algorithm
             module to all processed data, '-' disables the module at all.
             If no sign is specified, RAR will choose modules automatically,
@@ -1304,30 +1403,47 @@
             to suitable data and disable the delta compression.
 
 
-    -md<n>  Select dictionary size <n> in KB. Must be 64, 128, 256, 512,
-            1024, 2048 or 4096 or a letter 'a', 'b', 'c', 'd', 'e', 'f', 'g'
-            respectively.
+    -md<n>[k,m,g]
+            Select the dictionary size.
+
+            Sliding dictionary is the memory area used by compression
+            algorithm to find and compress repeated data patterns. 
+            If size of file being compressed (or total files size in case
+            of solid archive) is larger than dictionary size, increasing
+            the dictionary is likely to increase the compression ratio,
+            reduce the archiving speed and increase memory requirements.
 
-            The sliding dictionary is a special memory area used by the
-            compression algorithm. If the size of the file being compressed
-            (or the total files size in the case of a solid archive) is
-            greater than the dictionary size, then increasing the dictionary
-            size will generally increase compression ratio, decrease packing
-            speed and increase memory requirements.
+            For RAR 4.x archive format the dictionary size can be:
+            64 KB, 128 KB, 256 KB, 512 KB, 1 MB, 2 MB, 4 MB.
+
+            For RAR 5.0 archive format the dictionary size can be:
+            128 KB, 256 KB, 512 KB, 1 MB, 2 MB, 4 MB, 8 MB, 16 MB,
+            32 MB, 64 MB, 128 MB, 256 MB, 512 MB, 1 GB.
+
+            You can use 'k', 'm' and 'g' modifiers to specify the size
+            in kilo-, mega- and gigabytes, like -md64m for 64 MB dictionary.
+            If no modifier is specified, megabytes are assumed,
+            so -md64m and -md64 are equal.
+
+            When archiving, RAR needs about 6x memory of specified
+            dictionary size, so 512 MB and 1 GB sizes are available
+            in 64 bit RAR version only. When extracting, slightly more
+            than a single dictionary size is allocated, so both 32
+            and 64 bit versions can unpack archives with all dictionaries
+            up to and including 1 GB.
 
             RAR can reduce the dictionary size if it is significantly
-            larger than the size of the source data. It helps to reduce
-            memory requirements without decreasing compression.
+            larger than source data size. It helps to reduce memory
+            requirements without decreasing compression.
 
-            Default sliding dictionary size is 4096 KB.
+            Default sliding dictionary size is 4 MB for RAR 4.x
+            and 32 MB for RAR 5.0 archive format.
 
             Example:
 
-            RAR a -s -mdd sources *.asm
-                or
-            RAR a -s -md512 sources *.asm
+            RAR a -s -ma -md128 lib *.dll
 
-            Will create a solid archive using a 512 KB dictionary.
+            create a solid archive in RAR 5.0 format with 128 MB dictionary.
 
 
     -ms[list]
@@ -1343,12 +1459,19 @@
             force RAR to store without compression all RAR and ZIP
             archives and JPG images. It is also allowed to specify wildcard
             file masks in the list, so -ms*.rar;*.zip;*.jpg will work too.
+            Several -ms switches are permitted, such as -msrar -mszip
+            instead of -msrar;zip.
+
+            In Unix -ms switch containing several file types needs to be
+            enclosed in quote marks. It protects semicolons from processing
+            by Unix shell. Another solution is to use individual -ms<type>
+            switches for every file type.
 
             If <list> is not specified, -ms switch will use the default
             set of extensions, which includes the following file types:
 
             7z, ace, arj, bz2, cab, gz, jpeg, jpg, lha, lzh, mp3,
-            rar, taz, tgz, z, zip
+            rar, taz, tgz, xz, z, zip
 
 
     -mt<threads>
@@ -1369,11 +1492,14 @@
             If -mt switch is not specified, RAR will try to detect
             the number of available processors and select the optimal
             number of threads automatically.
+    
 
+    -n<f>   Additionally filter included files.
 
-    -n<f>   Include only the specified file <f>. Wildcards may be used
-            both in the name and file parts of file mask. You may specify
-            the switch '-n' several times.
+            Apply the mask as an additional filter to included file list.
+            Wildcards can be used both in the name and file parts of
+            file mask. See switch -x description for details on mask syntax.
+            You can specify the switch '-n' several times.
 
             This switch does not replace usual file masks, which still
             need to be entered in the command line. It is an additional
@@ -1391,11 +1517,11 @@
             rar a -r -n*.txt -n*.lst text Project Info
 
 
-    -n@<lf> Include files listed in the specified list file.
+    -n@<lf> Read additional filter masks from list file.
 
-            Similar to -n<f> switch, but reads include masks from
+            Similar to -n<f> switch, but reads filter masks from
             the list file. If you use -n@ without the list file name
-            parameter, it will read file names from stdin.
+            parameter, it will read filter masks from stdin.
 
             Example:
 
@@ -1409,9 +1535,114 @@
             when creating an archive, but does not restore them unless
             -oc switch is specified.
 
+    -oh     Save hard links as the link instead of the file.
+
+            If archiving files include several hard links, store the first
+            archived hard link as usual file and the rest of hard links
+            in the same set as links to this first file. When extracting
+            such files, RAR will create hard links instead of usual files.
+
+            You must not delete or rename the first hard link in archive
+            after the archive was created, because it will make extraction
+            of following links impossible. If you modify the first link,
+            all following links will also have the modified contents
+            after extracting. Extraction command must involve the first
+            hard link to create following hard links successfully.
+    
+            This switch is supported only by RAR 5.0 format,
+            so you need to use -ma switch with it.
+
+
+    -oi[0-4][:<minsize>]
+            Save identical files as references.
+
+            Switch -oi0 (or just -oi-) turns off identical file processing,
+            so such files are compressed as usual files. It can be used to
+            override another -oi value stored in RAR configuration.
+
+            If -oi1 (or just -oi) is specified, RAR analyzes the file
+            contents before starting archiving. If several identical files
+            are found, the first file in the set is saved as usual file
+            and all following files are saved as references to this first
+            file. It allows to reduce the archive size, but applies some
+            restrictions to resulting archive. You must not delete or rename
+            the first identical file in archive after the archive was
+            created, because it will make extraction of following files
+            using it as a reference impossible. If you modify the first file,
+            following files will also have the modified contents
+            after extracting. Extraction command must involve the first file
+            to create following files successfully.
+
+            It is recommended to use -oi only if you compress a lot of
+            identical files, will not modify an archive later and will
+            extract an archive entirely, without necessity to unpack or skip
+            individual files. If all identical files are small enough to
+            fit into compression dictionary specified with -md<n> switch,
+            switch -s can provide more flexible solution than -oi.
+
+            Switch -oi2 is similar to -oi1, with the only difference:
+            it will display names of found identical files before starting
+            archiving.
+
+            Switches -oi3 and -oi4 allow to utilize RAR to generate
+            lists of identical files. Though you still need to provide
+            a dummy archive name to make the command syntax valid,
+            in this mode an archive is not created and nothing is compressed.
+            If -oi3 is used, file sizes and names are displayed
+            and every identical file group is separated with empty line.
+            Switch -oi4 displays bare file names and skips the first
+            identical file in every file group, so only duplicates
+            are listed.
+
+            Optional <minsize> value allows to define the minimum file size
+            threshold. Files smaller than <minsize> are not analyzed
+            and not considered as identical. If this parameter is not
+            present, it is assumed to be 64 KB by default. Selecting
+            too small <minsize> may increase the time required to detect
+            identical files.
+    
+            Switches -oi1 and -oi2 are supported only by RAR 5.0 format,
+            so you need to use -ma switch with it.
+
+            Examples:
+
+            1) rar a -oi -ma archive
+
+            Save contents of current directory to archive.rar.
+            Store identical files as references.
+
+            2) rar a -oi3:1000000 -r dummy c:\photo\*.jpg
+
+            List all duplicate *.jpg files lather than 1000000 bytes
+            found in c:\photo and its subdirectories.
+    
+
+    -ol[a]  Process symbolic links as the link [absolute paths]
+            
+            Save symbolic links as links, so file contents is not archived.
+            In Windows version it also saves reparse points as links.
+            Such archive entries are restored as symbolic links
+            or reparse points when extracting.
+
+            Supported both for RAR 4.x and RAR 5.0 archives in RAR for Unix
+            and only for RAR 5.0 archives in RAR for Windows.
+
+            In Windows you may need to run RAR as administrator to create
+            symbolic links when extracting.
 
-    -ol     Save symbolic links as the link instead of the file.
-            Unix version only.
+            RAR adds all links regardless of target when archiving with
+            -ol switch. When extracting, by default, RAR skips symbolic
+            links pointing outside of destination directory, with absolute
+            paths or excessive number of ".." in link target. You can enable
+            extracting such links with -ola switch.
+
+            Links pointing to directories outside of extraction destination
+            directory can present a security risk. Enable their extraction
+            only if you are sure that archive contents is safe,
+            such as your own backup.
+
+            Links with relative paths inside of destination directory
+            in target are extracted always regardless of -ol or -ola switch.
 
 
     -or     Rename extracted files automatically if file with the same name
@@ -1456,9 +1687,15 @@
               -o-          Skip existing files.
 
 
-    -p[p]   Encrypt files with the string <p> as password while archiving.
-            The password is case-sensitive. If you omit the password on the
-            command line, you will be prompted with message "Enter password".
+    -p[pwd] Set password
+
+            Set password <pwd> to encrypt files when archiving
+            or to decrypt when extracting.
+
+            Passwords are case-sensitive. Maximum password length is
+            127 characters. Longer passwords are truncated to this length.
+            If you omit a password in command line, you will be prompted
+            with "Enter password" message.
 
             Example:
 
@@ -1469,7 +1706,62 @@
 
     -p-     Do not query password
 
-
+            Do not query password for encrypted files when extracting.
+            Actually you can specify any invalid password to suppress
+            the password prompt and force RAR to issue 'incorrect password'
+            message when extracting an encrypted file. This switch just
+            sets '-' as a password.
+
+
+    -qo[-|+]
+            Add quick open information [none|force]
+
+            RAR archives store every file header containing information
+            such as file name, time, size and attributes immediately
+            before data of described file. This approach is more damage
+            resistant than storing all file headers in a single continuous
+            block, which if broken or truncated would destroy the entire
+            archive contents. But while being more reliable, such file
+            headers scattered around the entire archive are slower to
+            access if we need to quickly open the archive contents 
+            in a shell like WinRAR graphical interface.
+
+            To improve archive open speed and still not make the entire
+            archive dependent on a single damaged block, RAR 5.0 archives
+            can include an optional quick open record. Such record is
+            added to the end of archive and contains copies of file names
+            and other file information stored in a single continuous block
+            additionaly to normal file headers inside of archive.
+            Since the block is continuous, its contents can be read quickly,
+            without necessity to perform a lot of disk seek operations.
+            Every file header in this block is protected with a checksum.
+            If RAR detects that quick open information is damaged,
+            it resorts to reading individual headers from inside of archive,
+            so damage resistance is not lessened.
+
+            Quick open record contains the full copy of file header,
+            which may be several tens or hundreds of bytes per file,
+            increasing the archive size by the same amount. This size
+            increase is most noticeable for many small files, when file
+            data size is comparable to file header. So by default,
+            if no -qo is specified or -qo without parameter is used,
+            RAR stores copies of headers only for relatively large files
+            and continues to use local headers for smaller files.
+            Concrete file size threshold can depend on RAR version.
+            Such approach provides a reasonable open speed to archive size
+            tradeoff. If you prefer to have the maximum archive open speed
+            regardless of size, you can use -qo+ to store copies of all
+            file headers. If you need to have the smallest possible archive
+            and do not care about archive open speed in different programs,
+            specify -qo- to exclude the quick open information completely.
+
+            If you wish to measure the performance effect of this switch,
+            be sure that archive contents is not stored in a disk cache.
+            No real disk seeks are performed for cached archive file,
+            making access to file headers fast even without quick open
+            record.
+
+    
     -r      Recurse subdirectories. May be used with commands:
             a, u, f, m, x, e, t, p, v, l, c, cf and s.
 
@@ -1548,7 +1840,7 @@
             rar a -ri0:10 backup *.*
 
 
-    -rr[N]  Add a data recovery record. This switch is used when creating
+    -rr[N]  Add data recovery record. This switch is used when creating
             or modifying an archive to add a data recovery record to
             the archive. See the 'rr[N]' command description for details.
 
@@ -1589,14 +1881,15 @@
 
 
     -sc<charset>[objects]
-            Specify the character set for list files and archive
-            comment files.
+            Specify the character set for list files, log files
+            and archive comment files.
 
             'Charset' parameter is mandatory and can have one
             of the following values:
 
               U - Unicode;
-              A - ANSI (Windows) encoding. Windows version only;
+              A - the native single byte encoding, which is ANSI
+                  for Windows version;
               O - OEM (DOS) encoding. Windows version only.
 
             Files in Unicode format must have FFFE or FEFF Unicode
@@ -1606,6 +1899,7 @@
             'Objects' parameter is optional and can have one of
             the following values:
 
+              G - log files produced by -ilog switch;
               L - list files;
               C - comment files.
 
@@ -1660,7 +1954,7 @@
             an archive. Optional 'name' parameter allows to specify
             a file name of compressed stdin data in the created
             archive. If this parameter is missing, the name will be
-            set to 'stdin'. This switch cannot be used with -v.
+            set to 'stdin'.
 
             Example:
 
@@ -1767,18 +2061,26 @@
             Save or restore file time (modification, creation, access).
 
             Switch -tsm instructs RAR to save file modification time,
-            -tsc - creation time and tsa - last access time. Optional
-            parameter after the switch is the number between 0 and 4
-            controlling the file time precision. Value '1' enables
-            1 second precision, 2 - 0.0065536 sec, 3 - 0.0000256 sec and
-            4 or '+' enables the maximum NTFS time precision, which is
-            equal to 0.0000001 sec. Value '0' or '-' means that creation
+            -tsc - creation time and tsa - last access time. 
+
+            For RAR 4.x archive format the optional parameter after
+            the switch is the number between 0 and 4 controlling
+            the file time precision. Value '1' enables 1 second precision,
+            2 - 0.0065536 sec, 3 - 0.0000256 sec and 4 or '+' enables
+            the maximum NTFS time precision, which is equal to
+            0.0000001 sec. Value '0' or '-' means that creation
             and access time are not saved and low (two seconds) precision
             is used for modification time. Higher precision modes add
             more data to archive, up to 19 additional bytes per file
             in case of -tsm4 -tsa4 -tsc4 combination. If no precision
             is specified, RAR uses '4' (high) value.
 
+            RAR 5.0 archive format saves file times either with 1 second
+            precision for parameter value '1' or with maximum NTFS precision
+            for '2', '3' and '4'. '0' forces RAR 5.0 archives to omit
+            file time even if it is modification time, so unpacked files
+            will have the current system time.
+
             Default RAR mode is -tsm4 -tsc0 -tsa0, so modification time
             is stored with the high precision and other times are ignored.
 
@@ -1793,6 +2095,7 @@
             to apply the switch to all three times. For example,
             -tsm4 -tsa4 -tsc4 can be replaced by -ts4, -ts+ or -ts.
             Use -ts- to save only the low precision modification time
+            for RAR 4.x archives, not store file time for RAR 5.0 archives
             or to ignore all three file times on unpacking.
 
             When creating an archive, RAR automatically reduces
@@ -1880,11 +2183,12 @@
             'A' will cause all volumes to be created without a pause.
 
             By default RAR volumes have names like 'volname.partNNN.rar',
-            where NNN is the volume number. Using -vn switch it is
-            possible to switch to another, extension based naming scheme,
-            where the first volume file in a multi-volume set has
-            the extension .rar, following volumes are numbered from .r00
-            to .r99.
+            where NNN is the volume number. For RAR 4.x archive format
+            using -vn switch it is possible to select another,
+            extension based naming scheme, where the first volume file
+            in a multi-volume set has the extension .rar, following
+            volumes are numbered from .r00 to .r99. RAR 5.0 archives
+            do not support -vn and extension based names.
 
             When extracting or testing a multi-volume archive you must use
             only the first volume name. If there is no next volume
@@ -1960,11 +2264,12 @@
     -vn     Use the old style volume naming scheme
 
             By default RAR volumes have names like 'volname.partNNN.rar',
-            where NNN is the volume number. Using -vn switch it is
-            possible to switch to another, extension based naming scheme,
-            where the first volume file in a multi-volume set has
-            the extension .rar, following volumes are numbered from .r00
-            to .r99.
+            where NNN is the volume number. For RAR 4.x archive format
+            using -vn switch it is possible to select another,
+            extension based naming scheme, where the first volume file
+            in a multi-volume set has the extension .rar, following
+            volumes are numbered from .r00 to .r99. RAR 5.0 archives
+            do not support -vn and extension based names.
 
 
     -vp     Pause before each volume
@@ -2048,25 +2353,25 @@
     -y      Assume Yes on all queries.
 
 
-    -z[f]   Read archive comment from file <f>. Use with -sc switch
-            if you need to specify the character set for comment text file.
-            If <f> is not specified, comment is read from stdin.
+    -z[file]
+            Read archive comment from file <file>.
+            
+            This switch can be used with any archive modification command
+            to read the archive comment from file and add it to archive.
+            Use with -sc switch if you need to specify the character set
+            for comment text file. If <file> is not present, comment
+            is read from stdin.
 
 
 
  Limitations
  ~~~~~~~~~~~
 
-    Pathname is limited to 259 symbols.
-
-    Maximum archive comment length is 62000 bytes.
-
     Command limitations:
 
-    The commands 'd','u','f','c','cf' will not operate with archive
-    volumes.
+    Commands 'd','u','f','c','cf' will not operate with archive volumes.
 
-    The command 'a' cannot be used to update an archive volume, only to
+    Command 'a' cannot be used to update an archive volume, only to
     create a new one.
 
 
@@ -2076,31 +2381,21 @@
     RAR exits with a zero code (0) in case of successful operation.
     Non-zero exit code indicates some kind of error:
 
-       0   SUCCESS          Successful operation.
-
-       1   WARNING          Non fatal error(s) occurred.
-
-       2   FATAL ERROR      A fatal error occurred.
-
-       3   CRC ERROR        Invalid CRC32 control sum. Data is damaged.
-
-       4   LOCKED ARCHIVE   Attempt to modify an archive previously locked
-                            by the 'k' command.
-
-       5   WRITE ERROR      Write to disk error.
-
-       6   OPEN ERROR       Open file error.
-
-       7   USER ERROR       Command line option error.
-
-       8   MEMORY ERROR     Not enough memory for operation.
-
-       9   CREATE ERROR     Create file error
-
-      10   NO FILES ERROR   No files matching the specified mask and options
-                            were found.
+    Code   Description   
 
-     255   USER BREAK       User stopped the process
+     0     Successful operation.
+     1     Non fatal error(s) occurred.
+     2     A fatal error occurred.
+     3     Invalid checksum. Data is damaged.
+     4     Attempt to modify an archive locked by 'k' command.
+     5     Write error.
+     6     File open error.
+     7     Wrong command line option.
+     8     Not enough memory.
+     9     File create error
+    10     No files matching the specified mask and options were found.
+    11     Wrong password.
+   255     User stopped the process.
 
 
  Glossary
@@ -2111,12 +2406,13 @@
 
     Compression  A method of encoding data to reduce it's size.
 
-    CRC          Cyclic Redundancy Check. Mathematical method calculating
-                 special checking information for data validity.
+    Checksum     Value calculating for data block or file and allowing to
+                 check data or file validity.
 
-    SFX          Archive module used to extract files from when executed.
-                 (SelF-eXtracting module), usually in the form of a .EXE
-                 file.
+    SFX archive  SelF-eXtracting archive. Archive in executable format,
+                 consisting of self-extracting module followed by
+                 compressed data. It is enough to run such executable to
+                 start extraction.
 
     Solid        An archive packed using a special compression method which
                  sees all files as one continuous data stream. Particularly
@@ -2131,7 +2427,7 @@
 
  Copyrights
 
-    (c) 1993-2012 Alexander Roshal
+    (c) 1993-2015 Alexander Roshal

rarlinux-x64-4.2.0.tar.gz/rar_static -> rarlinux-x64-5.2.1.tar.gz/rar_static Changed

rarlinux-x64-4.2.0.tar.gz/rarfiles.lst -> rarlinux-x64-5.2.1.tar.gz/rarfiles.lst Changed

rarlinux-x64-4.2.0.tar.gz/unrar -> rarlinux-x64-5.2.1.tar.gz/unrar Changed

rarlinux-x64-4.2.0.tar.gz/whatsnew.txt -> rarlinux-x64-5.2.1.tar.gz/whatsnew.txt Changed

@@ -1,6 +1,248 @@
                 RAR - What's new in the latest version
 
 
+   Version 5.21
+
+   1. While previous versions could produce RAR5 volumes of slightly
+      smaller than requested size sometimes, such situation is less
+      likely now. In most cases volume size equals to specified by user.
+
+   2. Now by default RAR skips symbolic links with absolute paths
+      in link target when extracting. You can enable creating such links
+      with -ola switch.
+
+      Such links pointing to directories outside of extraction destination
+      directory can present a security risk. Enable their extraction only
+      if you are sure that archive contents is safe, such as your own backup.
+
+   
+   Version 5.20
+
+   1. RAR can read the default set of switches from .rarrc file stored
+      in the user's home directory. Previously it was possible to
+      define only the same set of switches for all RAR command with
+      "switches=<switches>" string. Now .rarrc also allows to specify
+      separate switch sets for individual RAR commands using
+      the following syntax:
+
+      switches_<command>=<any RAR switches, separated by spaces>
+
+      For example:
+
+      switches_a=-m5 -s
+      switches_x=-o+
+
+   2. File overwrite prompt displays the size and modification time
+      for existing and new files.
+
+   3. When archiving from stdin with -si switch, RAR sets the current system
+      time to modification time of archived file. Previous version did not
+      set this time at all.
+
+   4. It is possible to use -si and -v<size> switches together. Previous
+      versions did not allow to create volumes when archiving from stdin.
+
+   
+   Version 5.11
+
+   1. Timestamp is set to extracted symlinks.
+
+   2. Bugs fixed:
+
+      a) deleting a file in RAR5 solid archive containing files stored
+         with -ver switch caused such files to lose version information.
+
+   
+   Version 5.10
+
+   1. Switch -ai can be used when creating RAR archive,
+      so predefined values, typical for file and directory,
+      are stored instead of actual attributes.
+      Previously this switch could be used only when extracting.
+
+   
+   Version 5.00
+
+   1. New RAR 5.0 archiving format. You can use -ma command line switch
+      to create RAR 5.0 archives. By default RAR creates archives
+      in 4.x format.
+
+   2. Changes in RAR 5.0 compression algorithm:
+
+      a) maximum compression dictionary size is increased up to 1 GB
+         in 64 bit RAR. 32 bit RAR version can use up to 256 MB
+         dictionary when creating an archive. Both 32 bit and 64 bit
+         versions can unpack archives with any dictionary size,
+         including 1 GB;
+
+      b) default dictionary size for RAR 5.0 is 32 MB, typically resulting
+         in higher compression ratio and lower speed than RAR 4.x 4 MB.
+         You can use -md<size> switch to change this value;
+
+      c) -md<size> switch syntax is modified to support larger dictionary
+         sizes. Append 'k', 'm' and 'g' modifiers to specify the size
+         in kilo-, mega- and gigabytes, like -md64m for 64 MB dictionary.
+         If modifiers are not present, megabytes are assumed,
+         so -md64m is equal to -md64;
+
+      d) RAR 5.0 format includes Intel IA-32 executable and delta
+         compression algorithms, but RAR 4.x text, audio, true color
+         and Itanium algorithms are not supported. These excluded algorithms
+         are not efficient for modern data types and hardware configurations;
+
+      e) RAR 5.0 decompression can utilize several CPU cores.
+         Though not to same extent as in compression algorithm,
+         it improves the decompression speed on large files
+         with poorly compressible data or when using BLAKE2 checksums.
+
+   3. Changes in RAR 5.0 archive format:
+
+      a) file times are stored as Coordinated Universal Time (UTC)
+         instead of former local time, making file exchange among
+         several time zones more straightforward;
+
+      b) file names and archive comments use UTF-8 encoding.
+   
+   4. RAR 5.0 recovery record is based on Reed-Solomon error correction
+      codes. If recovery record size is large enough, 5% and more,
+      the new error correction scheme provides much higher resistance to
+      multiple damages comparing to RAR 4.x recovery record.
+      Smaller record, such as 1 - 2%, or less random damage type would
+      result in less difference between 4.x and 5.0. For single continuous
+      damage 4.x and 5.0 efficiency is about the same.
+
+      Additionally to usual data erasures, the new recovery record
+      is able to detect deletions and insertions of much larger size
+      than in previous RAR versions. Maximum insertion size is several
+      megabytes. Maximum deletion size depends on the damage type
+      and in some cases can be as large as the recovery record size.
+      
+      Still, the best recovery performance and efficiency is achieved
+      if no deletions and insertions are present, so all data including
+      damaged sectors preserve their original positions. Thus, if you use
+      some special software to copy an archive from damaged media,
+      it is better to choose the mode, when damaged sectors are filled by
+      zeroes or any other data instead of cutting them out completely
+      from resulting file.
+
+      RAR 5.0 recovery record is more resistant to damage of recovery record
+      itself and can utilize a partially corrupt recovery record data.
+      Note, though, that "Repair" command does not fix broken blocks
+      in recovery record. Only file data are corrected. After successful
+      archive repair, you may need to create a new recovery record
+      for saved files.
+
+      New recovery record is not based on 512 byte sectors anymore 
+      and incorporates more complicated data structures. So it is impossible
+      to specify its size in sectors. For RAR 5.0 archives the parameter of
+      -rr[N] switch and rr[N] command is always treated as a percent of
+      archive size regardless of presence of % character. Typically N%
+      recovery record can repair up to N% of continuously damaged data
+      and increases the archive size by only slightly more than N%.
+      Ability to fix multiple damages is proportional to N.
+
+      We used "Screaming Fast Galois Field Arithmetic Using Intel
+      SIMD Instructions" paper by James S. Plank, Kevin M. Greenan
+      and Ethan L. Miller to improve Reed-Solomon coding performance.
+      Also we are grateful to Artem Drobanov and Bulat Ziganshin
+      for samples and ideas allowed to make Reed-Solomon coding
+      more efficient.
+
+   5. "Test" command verifies validity of RAR 5.0 recovery record.
+      Recovery record is tested after processing all archived files.
+
+      If corrupt archive contains the recovery record, it might be possible
+      to repair it even if recovery record validity test is failed.
+      "Repair" command attempts to utilize even a partially damaged
+      recovery record. So treat the negative recovery record test result
+      as a reason to re-create the archive if original files are still
+      available, but not as a reason to avoid "Repair" command.
+
+   6. Changes in RAR 5.0 encryption algorithm:
+
+      a) encryption algorithm is changed from AES-128 to AES-256 in CBC mode.
+         Key derivation function is based on PBKDF2 using HMAC-SHA256;
+
+      b) special password verification value allows to detect most of
+         wrong passwords without necessity to unpack the entire file;
+
+      c) if archive headers are not encrypted ("Encrypt file names" option
+         is off), file checksums for encrypted RAR 5.0 files are modified
+         using a special password dependent algorithm, to make impossible
+         guessing file contents based on checksums. Do not expect such
+         encrypted file checksums to match usual CRC32 and BLAKE2 values.
+   
+   7. Switch -htb allows to utilize 256 bit length BLAKE2sp hash
+      ( https://blake2.net ) instead of 32 bit CRC32 as a file checksum.
+
+      While producing slightly larger archives, BLAKE2 can be used
+      for file contents identification. If two files have the same
+      BLAKE2 value, it practically guarantees that file contents
+      is the same. BLAKE2 error detection property is also stronger
+      than in much shorter CRC32.
+
+   8. Features removed:
+
+      a) authenticity verification feature did not provide the required
+         level of reliability and was removed;
+      
+      b) switch -en (do not add "end of archive" block) is not supported
+         by RAR 5.0 archives, which always have the end of archive block.
+         This block helps RAR to safely skip external data like
+         digital signatures appended to archive;
+
+      c) old style extension based arcname.rNN volume names are not
+         supported by RAR 5.0 archives, which use only arcname.partN.rar
+         volume names;
+      
+      d) file comments are not supported anymore both in RAR 4.x
+         and RAR 5.0 archives. Console RAR 'cf' command is removed.
+         It does not affect the archive comment support, which is present
+         in both versions of archive format and is not planned for removal.
+
+   9. Switch -oh stores hard links as link instead of file. It is available
+      only for RAR 5.0 archive format.
+   
+  10. Changes in recovery volume processing in RAR 5.0 archive format:
+
+      a) maximum number of RAR+REV volumes in RAR 5.0 format is 65535
+         instead of 255;
+
+      b) recovery volume operations are faster than in RAR 4.x;
+
+      c) additionally to recovery data, RAR 5.0 REV files also store
+         service information such as checksums of protected RAR files.
+         So they are slightly larger than RAR volumes which they protect.
+         If you plan to copy individual RAR and REV files to some removable
+         media, you need to take it into account and specify RAR volume
+         size by a few kilobytes smaller than media size.
+  
+  11. Command line RAR returns the exit code 11 if it can detect that
+      user entered a wrong password. This code can be returned only
+      for RAR 5.0 archives. It is impossible to distinguish a wrong
+      password and data damage for RAR 4.x archives.
+
+  12. 'v' and 'l' commands display archived file names in the end of line,
+      not in that beginning as before. Also some fields previously
+      available in 'l' and 'v' output are now shown only by 'lt' and 'vt'.
+      
+      'vt' and 'lt' commands provide the detailed multiline information
+      for every archived file.
+
+      'vta' and 'lta' also include service headers into list.
+
+   13. UTF-16 little endian encoding is used in RAR log file rar.log,
+       so Unicode file names are stored in the log correctly.
+
+       You can use -sc<charset>g switch to change the default log file
+       encoding, such as -scag for native single byte encoding.
+
+   14. Command line 'r' (repair) command can include an optional destpath\
+       parameter defining the destination folder for repaired archive:
+
+       rar r archive.rar destpath\
+
+   
    Version 4.20
 
    1. Changes in RAR compression:

Overview

Request 1810 (accepted)

Request History