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           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 documentation 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  com-
           plete manual.


           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.
                  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
           -p, --preserve-permissions
                  extract  information  about  file permissions (default for supe-
           -v, --verbose
                  verbosely list files processed
           -z, --gzip
                  filter the archive through gzip

    Operation modifiers:

                  check  device  numbers  when   creating   incremental   archives
           -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:

                  overwrite existing files when extracting
                  overwrite  metadata  of  existing  directories  when  extracting
                  empty hierarchies prior to extracting directory
                  remove files after adding them to the archive
           -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:
           --acls Save the ACLs to the archive
                  preserve  access  times on dumped files, either by restoring the
                  times after reading (METHOD='replace'; default) or by  not  set-
                  ting the times in the first place (METHOD='system')
                  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
                  apply the user's umask  when  extracting  permissions  from  the
                  archive (default for ordinary users)
                  Don't extract the SELinux context from the archive
                  Don't extract the user/root xattrs from the archive
                  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 supe-
                  same as both -p and -s
                  try extracting files with the same ownership as  exists  in  the
                  archive (default for superuser)
           -s, --preserve-order, --same-order
                  sort names to extract to match archive
                  Save the SELinux context to the archive
                  Save the user/root xattrs to the archive

    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
                  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
           -z, --gzip, --gunzip, --ungzip
                  filter the archive through gzip
           -Z, --compress, --uncompress
                  filter the archive through compress

    Local file selection:

                  add given FILE to the archive (useful if its name starts with  a
                  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 itself
                  exclude directories containing CACHEDIR.TAG
           --exclude-caches-under exclude everything under directories containing
                  exclude contents of directories containing FILE, except for FILE
           --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
           --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 over-
                  ridden 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 pat-
                  patterns match file name start
                  ignore case
                  patterns match after any '/' (default for exclusion)
                  case sensitive matching (default)
                  display progress messages every NUMBERth record (default 10)
                  execute ACTION on each checkpoint
                  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 sig-
                  nals 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:

                  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  SIM-
           PLE_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


           *This*  tar  defaults  to: --format=gnu -f- -b20 --quoting-style=escape
           --rmt-command=/sbin/rmt --rsh-command=/usr/bin/rsh


           Written by John Gilmore and Jay Fenlason.


           Report bugs to <>.


           Copyright (C) 2010 Free Software Foundation, Inc.   License  GPLv3+:  GNU
           GPL version 3 or later <>.
           This  is  free  software:  you  are free to change and redistribute it.
           There is NO WARRANTY, to the extent permitted by law.

    tar 1.23 March 2012 TAR(1)


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