7za man page on Kali

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7za(1)									7za(1)

NAME
       7za - A file archiver with high compression ratio format

SYNOPSIS
       7za   <command>	[<switches>...	]  <archive_name>  [<file_names>...  ]
       [<@listfiles>... ]

DESCRIPTION
       7-Zip is a file archiver supporting 7z (that implements	LZMA  compres‐
       sion  algorithm featuring very high compression ratio), LZMA2, XZ, ZIP,
       Zip64, CAB, RAR (if the non-free p7zip-rar package is installed),  ARJ,
       GZIP,  BZIP2,  TAR, CPIO, RPM, ISO, most filesystem images and DEB for‐
       mats.  Compression ratio in the new 7z format  is  30-50%  better  than
       ratio in ZIP format.

       7za  is	a  stand-alone	executable.  7za handles fewer archive formats
       than 7z(1).

COMMANDS
       a      Add files to archive

       b      Benchmark

       d      Delete files from archive

       e      Extract files from archive (without using directory names)

       h      Calculate hash values for files

       i      Show information about supported formats

       l      List contents of archive

       rn     Rename files in archive

       t      Test integrity of archive

       u      Update files to archive

       x      eXtract files with full paths

SWITCHES
       --     Stop switches parsing

       -ai[r[-|0]]{@listfile|!wildcard}
	      Include archives

       -ax[r[-|0]]{@listfile|!wildcard}
	      Exclude archives

       -ao{a|s|t|u}
	      Set Overwrite mode

       -an    Disable archive_name field

       -bb[0-3]
	      Set output log level

       -bd    Disable progress indicator

       -bs{o|e|p}{0|1|2}
	      Set output stream for output/error/progress line

       -bt    Show execution time statistics

       -i[r[-|0]]{@listfile|!wildcard}
	      Include filenames

       -m{Parameters}
	      Set Compression Method (see /usr/share/doc/p7zip/DOC/MANUAL/cmd‐
	      line/switches/method.htm	from the p7zip-full package for a list
	      of methods)

       -o{Directory}
	      Set Output directory

       -p{Password}
	      Set Password (NOTE: this flag does not work with 7za,

       -r[-|0]
	      Recurse subdirectories (CAUTION: this flag does not do what  you
	      think, avoid using it)

       -sa{a|e|s}
	      Set archive name mode

       -scc{UTF-8|WIN|DOS}
	      Set charset for for console input/output

       -scs{UTF-8|UTF-16LE|UTF-16BE|WIN|DOS|{id}}
	      Set charset for list files

       -scrc[CRC32|CRC64|SHA1|SHA256|*]
	      Set hash function for x, e, h commands

       -sdel  Delete files after compression

       -seml[.]
	      Send archive by email

       -sfx[{name}]
	      Create SFX archive

       -si[{name}]
	      Read data from stdin (e.g. tar cf - directory | 7za a -si direc‐
	      tory.tar.7z)

       -slp   Set Large Pages mode

       -slt   Show technical information for l (List) command

       -snh   Store hard links as links

       -snl   Store symbolic links as links

       -sni   Store NT security information

       -sns[-]
	      Store NTFS alternate streams

       -sfx[{name}]
	      Create SFX archive

       -so    Write data to stdout (e.g. 7za x -so directory.tar.7z |  tar  xf
	      -)

       -spd   Disable wildcard matching for file names

       -spe   Eliminate duplication of root folder for extract command

       -spf   Use fully qualified file paths

       -ssc[-]
	      Set sensitive case mode

       -ssw   Compress shared files

       -stl   Set archive timestamp from the most recently modified file

       -stm{HexMask}
	      Set CPU thread affinity mask (hexadecimal number)

       -stx{Type}
	      Exclude archive type

       -t{Type}
	      Set type of archive

       -u[-][p#][q#][r#][x#][y#][z#][!newArchiveName]
	      Update options

       -v{Size}[b|k|m|g]
	      Create volumes

       -w[path]
	      Set working directory. Empty path means a temporary directory

       -x[r[-|0]]]{@listfile|!wildcard}
	      Exclude filenames

       -y     Assume Yes on all queries

DIAGNOSTICS
       7-Zip returns the following exit codes:

	      0	     Normal (no errors or warnings detected)

	      1	     Warning  (Non  fatal  error(s)).  For example, some files
		     cannot be read during compressing, so they were not  com‐
		     pressed

	      2	     Fatal error

	      7	     Bad command line parameters

	      8	     Not enough memory for operation

	      255    User stopped the process with control-C (or similar)

Backup and limitations
       DO NOT USE the 7-zip format for backup purpose on Linux/Unix because :
	- 7-zip does not store the owner/group of the file.

       On Linux/Unix, in order to backup directories you must use tar :
	-  to  backup  a  directory   :	 tar cf - directory | 7za a -si direc‐
       tory.tar.7z
	- to restore your backup : 7za x -so directory.tar.7z | tar xf -

       If you want to send files and directories (not the owner	 of  file)  to
       others Unix/MacOS/Windows users, you can use the 7-zip format.

	 example : 7za a directory.7z  directory

       Do not use "-r" because this flag does not do what you think.

       Do  not	use directory/* because of ".*" files (example : "directory/*"
       does not match "directory/.profile")

EXAMPLE 1
       7za a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on archive.7z dir1
	      adds all files from directory "dir1" to archive archive.7z using
	      "ultra settings"

       -t7z   7z archive

       -m0=lzma
	      lzma method

       -mx=9  level of compression = 9 (Ultra)

       -mfb=64
	      number of fast bytes for LZMA = 64

       -md=32m
	      dictionary size = 32 megabytes

       -ms=on solid archive = on

EXAMPLE 2
       7za a -sfx archive.exe dir1
	      add  all	files from directory "dir1" to SFX archive archive.exe
	      (Remark : SFX archive MUST end with ".exe")

EXAMPLE 3
       7za a -mhe=on -pmy_password archive.7z a_directory
	      add all files from directory "a_directory" to the	 archive  "ar‐
	      chive.7z" (with data and header archive encryption on)

SEE ALSO
       7zr(1), 7z(1), p7zip(1), bzip2(1), gzip(1), zip(1),

HTML Documentation
       /usr/share/doc/p7zip-full/DOC/MANUAL/start.htm

AUTHOR
       Written	for  Debian  by	 Mohammed  Adnene  Trojette. Updated by Robert
       Luberda.

7-Zip				March 6th, 2016				7za(1)
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