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TAR(1)                                    User Commands                                    TAR(1)

       tar - manual page for tar 1.26

       tar [OPTION...] [FILE]...

       GNU  `tar'  saves  many files together into a single tape or disk archive, and can restore
       individual files from the archive.

       Note that this manual page contains just very brief description (or more like  a  list  of
       possible functionality) originally generated by the help2man utility.  The full documenta-
       tion for tar is maintained as a Texinfo manual.  If the info and tar programs are properly
       installed at your site, the command `info tar' should give you access to the complete man-

       tar -cf archive.tar foo bar
              # Create archive.tar from files foo and bar.

       tar -tvf archive.tar
              # List all files in archive.tar verbosely.

       tar -xf archive.tar
              # Extract all files from archive.tar.

       *This* tar installation defaults to:

       --format=gnu   -f-   -b20   --quoting-style=escape   --rmt-command=/sbin/rmt    --rsh-com-

Main operation mode:
       -A, --catenate, --concatenate
              append tar files to an archive

       -c, --create
              create a new archive

       -d, --diff, --compare
              find differences between archive and file system

              delete from the archive (not on mag tapes!)

       -r, --append
              append files to the end of an archive

       -t, --list
              list the contents of an archive

              test the archive volume label and exit

       -u, --update
              only append files newer than copy in archive

       -x, --extract, --get
              extract files from an archive

Common options:
       -C, --directory=DIR
              change to directory DIR

       -f, --file=ARCHIVE
              use archive file or device ARCHIVE

       -j, --bzip2
              filter the archive through bzip2

        -J, --xz
              filter the archive through xz

       -p, --preserve-permissions
              extract  information  about  file permissions (default for superuser)

       -v, --verbose
              verbosely list files processed

       -z, --gzip
              filter the archive through gzip

Operation modifiers:
              check device numbers when creating incremental archives (default)

       -g, --listed-incremental=FILE
              handle new GNU-format incremental backup

       -G, --incremental
              handle old GNU-format incremental backup

              do not exit with nonzero on unreadable files

              dump level for created listed-incremental archive

       -n, --seek
              archive is seekable

              do not check device numbers when creating incremental archives

              archive is not seekable

              process  only  the  NUMBERth occurrence of each file in the archive; this option is
              valid only in conjunction with one of the subcommands --delete,  --diff,  --extract
              or  --list  and when a list of files is given either on the command line or via the
              -T option; NUMBER defaults to 1

              set version of the sparse format to use (implies --sparse)

       -S, --sparse
              handle sparse files efficiently

Overwrite control:
       -k, --keep-old-files
              don't replace existing files when extracting, treat them as errors

              don't replace existing files that are newer than their archive copies

              preserve metadata of existing directories

              overwrite existing files when extracting

              overwrite metadata of existing directories when extracting (default)

              empty hierarchies prior to extracting directory

              remove files after adding them to the archive

              don't replace existing files when extracting, silently skip over them

       -U, --unlink-first
              remove each file prior to extracting over it

       -W, --verify
              attempt to verify the archive after writing it

Select output stream:
       --ignore-command-error ignore exit codes of children

              treat non-zero exit codes of children as error

       -O, --to-stdout
              extract files to standard output

              pipe extracted files to another program

Handling of file attributes:
              preserve access times on dumped files, either by restoring the times after  reading
              (METHOD='replace';  default)  or  by  not  setting  the  times  in  the first place

              delay setting modification times and permissions of extracted directories until the
              end of extraction

              force NAME as group for added files

              force (symbolic) mode CHANGES for added files

              set mtime for added files from DATE-OR-FILE

       -m, --touch
              don't extract file modified time

              cancel the effect of --delay-directory-restore option

              extract files as yourself (default for ordinary users)

              apply  the  user's  umask when extracting permissions from the archive (default for
              ordinary users)

              always use numbers for user/group names

              force NAME as owner for added files

       -p, --preserve-permissions, --same-permissions
              extract information about file permissions (default for superuser)

              same as both -p and -s

              try extracting files with the same ownership as exists in the archive (default  for

       -s, --preserve-order, --same-order
              sort names to extract to match archive

Handling of extended file attributes:
       --acls Enable the POSIX ACLs support

              Disable the POSIX ACLs support

              Disable the SELinux context support

              Disable extended attributes support

              Enable the SELinux context support

              Enable extended attributes support

              specify the exclude pattern for xattr keys

              specify the include pattern for xattr keys

Device selection and switching:
       -f, --file=ARCHIVE
              use archive file or device ARCHIVE

              archive file is local even if it has a colon

       -F, --info-script=NAME, --new-volume-script=NAME
              run script at end of each tape (implies -M)

       -L, --tape-length=NUMBER
              change tape after writing NUMBER x 1024 bytes

       -M, --multi-volume
              create/list/extract multi-volume archive

              use given rmt COMMAND instead of rmt

              use remote COMMAND instead of rsh

              use/update the volume number in FILE

Device blocking:
       -b, --blocking-factor=BLOCKS
              BLOCKS x 512 bytes per record

       -B, --read-full-records
              reblock as we read (for 4.2BSD pipes)

       -i, --ignore-zeros
              ignore zeroed blocks in archive (means EOF)

              NUMBER of bytes per record, multiple of 512

Archive format selection:
       -H, --format=FORMAT
              create archive of the given format

              FORMAT is one of the following:

                     gnu    GNU tar 1.13.x format

                     oldgnu GNU format as per tar <= 1.12

                     pax    POSIX 1003.1-2001 (pax) format

                     posix  same as pax

                     ustar  POSIX 1003.1-1988 (ustar) format

                     v7     old V7 tar format

       --old-archive, --portability
              same as --format=v7

              control pax keywords

              same as --format=posix

       -V, --label=TEXT
              create  archive with volume name TEXT; at list/extract time, use TEXT as a globbing
              pattern for volume name

Compression options:
       -a, --auto-compress
              use archive suffix to determine the compression program

       -I, --use-compress-program=PROG
              filter through PROG (must accept -d)

       -j, --bzip2
              filter the archive through bzip2

       -J, --xz
              filter the archive through xz

       --lzip filter the archive through lzip

       --lzma filter the archive through lzma


              do not use archive suffix to determine the compression program

       -z, --gzip, --gunzip, --ungzip
              filter the archive through gzip

       -Z, --compress, --uncompress
              filter the archive through compress

       Note: You might need to install external program (lzip/ncompress/lzma...) to use  some  of
       these compression options

Local file selection:
              add given FILE to the archive (useful if its name starts with a dash)

              backup before removal, choose version CONTROL

       -C, --directory=DIR
              change to directory DIR

              exclude files, given as a PATTERN

              exclude backup and lock files

              exclude  contents  of  directories containing CACHEDIR.TAG, except for the tag file

              exclude directories containing CACHEDIR.TAG

       --exclude-caches-under exclude everything under directories containing

              exclude contents of directories containing FILE, except for FILE itself

       --exclude-tag-all=FILE exclude directories containing FILE

              exclude everything under directories containing FILE

              exclude version control system directories

       -h, --dereference
              follow symlinks; archive and dump the files they point to

              follow hard links; archive and dump the files they refer to

       -K, --starting-file=MEMBER-NAME
              begin at member MEMBER-NAME in the archive

              compare date and time when data changed only

              disable the effect of the previous --null option

              avoid descending automatically in directories

              do not unquote filenames read with -T

       --null                 -T reads null-terminated names, disable -C

       -N, --newer=DATE-OR-FILE, --after-date=DATE-OR-FILE
              only store files newer than DATE-OR-FILE

              stay in local file system when creating archive

       -P, --absolute-names
              don't strip leading `/'s from file names

              recurse into directories (default)

              backup before removal, override usual suffix ('~' unless overridden by  environment
              variable SIMPLE_BACKUP_SUFFIX)

       -T, --files-from=FILE
              get names to extract or create from FILE

              unquote filenames read with -T (default)

       -X, --exclude-from=FILE
              exclude patterns listed in FILE

File name transformations:
              strip NUMBER leading components from file names on extraction

       --transform=EXPRESSION, --xform=EXPRESSION
              use sed replace EXPRESSION to transform file names

              File name matching options (affect both exclude and include patterns):

              patterns match file name start

              ignore case

              patterns match after any `/' (default for exclusion)

              case sensitive matching (default)

              verbatim string matching

              wildcards do not match `/'

              use wildcards (default)

              wildcards match `/' (default for exclusion)

Informative output:
              display progress messages every NUMBERth record (default 10)

              execute ACTION on each checkpoint

              print file time to its full resolution

              send verbose output to FILE

       -l, --check-links
              print a message if not all links are dumped

              disable quoting for characters from STRING

              additionally quote characters from STRING

              set name quoting style; see below for valid STYLE values

       -R, --block-number
              show block number within archive with each message

              show tar defaults

              when listing or extracting, list each directory that does not match search criteria

       --show-transformed-names, --show-stored-names
              show file or archive names after transformation

              print  total  bytes  after  processing  the archive; with an argument - print total
              bytes when this SIGNAL is delivered; Allowed signals are: SIGHUP, SIGQUIT,  SIGINT,
              SIGUSR1 and SIGUSR2; the names without SIG prefix are also accepted

       --utc  print file modification dates in UTC

       -v, --verbose
              verbosely list files processed

              warning control

       -w, --interactive, --confirmation
              ask for confirmation for every action

Compatibility options:
       -o     when creating, same as --old-archive; when extracting, same as --no-same-owner

Other options:
       -?, --help
              give this help list

              disable use of some potentially harmful options

              give a short usage message

              print program version

       Mandatory  or  optional  arguments  to long options are also mandatory or optional for any
       corresponding short options.

       The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.   The  version
       control may be set with --backup or VERSION_CONTROL, values are:

       none, off
              never make backups

       t, numbered
              make numbered backups

       nil, existing
              numbered if numbered backups exist, simple otherwise

       never, simple
              always make simple backups

       Valid arguments for the --quoting-style option are:

              literal shell shell-always c c-maybe escape locale clocale

       Written by John Gilmore and Jay Fenlason.

       Report bugs to <bug-tar AT gnu.org>.

       Copyright  (C)  2013  Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or
       later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO  WARRANTY,
       to the extent permitted by law.

tar 1.26                                  February 2013                                    TAR(1)

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