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CPIO(1)                            GNU CPIOCPIO(1)NAME       cpio - copy files to and from archivesSYNOPSIS       cpio  {-o|--create} [-0acvABLV] [-C BYTES] [-H FORMAT] [-M MESSAGE] [-O       [[USER@]HOST:]ARCHIVE]            [-F            [[USER@]HOST:]ARCHIVE]       [--file=[[USER@]HOST:]ARCHIVE]   [--format=FORMAT]  [--message=MESSAGE]       [--null]   [--reset-access-time]   [--verbose]    [--dot]    [--append]       [--block-size=blocks]   [--dereference]   [--io-size=BYTES]   [--quiet]       [--force-local] [--rsh-command=COMMAND] < name-list [> archive]       cpio {-i|--extract} [-bcdfmnrtsuvBSV] [-C BYTES] [-E FILE] [-H  FORMAT]       [-M  MESSAGE]  [-R  [USER][:.][GROUP]]  [-I  [[USER@]HOST:]ARCHIVE] [-F       [[USER@]HOST:]ARCHIVE] [--file=[[USER@]HOST:]ARCHIVE]  [--make-directo-       ries]     [--nonmatching]     [--preserve-modification-time]     [--nu-       meric-uid-gid]  [--rename]  [--list]  [--swap-bytes]  [--swap]  [--dot]       [--unconditional]  [--verbose] [--block-size=BLOCKS] [--swap-halfwords]       [--io-size=BYTES]        [--pattern-file=FILE]        [--format=FORMAT]       [--owner=[USER][:.][GROUP]]  [--no-preserve-owner]  [--message=MESSAGE]       [--force-local]   [--no-absolute-filenames]   [--sparse]   [--only-ver-       ify-crc]  [--to-stdout]  [--quiet] [--rsh-command=COMMAND] [pattern...]       [< archive]       cpio {-p|--pass-through} [-0adlmuvLV] [-R  [USER][:.][GROUP]]  [--null]       [--reset-access-time]  [--make-directories]  [--link] [--quiet] [--pre-       serve-modification-time]    [--unconditional]    [--verbose]    [--dot]       [--dereference]    [--owner=[USER][:.][GROUP]]    [--no-preserve-owner]       [--sparse] destination-directory < name-list       cpio {-?|--help|--usage|--version}REPORTING BUGS       Report cpio bugs to bug-cpio@gnu.org       GNU cpio home page: <http://www.gnu.org/software/cpio/>       General help using GNU software: <http://www.gnu.org/gethelp/>       Report cpio translation bugs to <http://translationproject.org/team/>SEE ALSOcpio(5)DESCRIPTION       GNU cpio copies files between archives and  directories.   It  supports       the following archive formats: old binary cpio, old portable cpio, SVR4       cpio with and without checksum, HP cpio, and various tar formats.       The operation mode is requested by one of the following options:       -o, --create              Copy-out.  Read a list of file names from the standard input and              create  on  the standard output (unless overridden by the --file              option) an archive containing these files.       -i, --extract              Copy-in.  Read the archive from standard input (or from the file              supplied  with  the --file option) and extract files from it, or              (if the -t option is given) list its contents  to  the  standard              output.  If one or more patterns are supplied, read or list only              files matching these patterns.  The -t option alone implies -i.       -p, --pass-through              Pass-through.  Read a list of file names from the standard input              and copy them to the specified directory.       -?, --help              Give a short help summary and exit.       --usage              Print a short usage message and exit.       --version              Print program version and exit.REPORTING BUGS       Report cpio bugs to bug-cpio@gnu.org       GNU cpio home page: <http://www.gnu.org/software/cpio/>       General help using GNU software: <http://www.gnu.org/gethelp/>       Report cpio translation bugs to <http://translationproject.org/team/>OPTIONS   Operation modifiers valid in any mode       --block-size=BLOCK-SIZE              Set the I/O block size to BLOCK-SIZE * 512 bytes.       -B     Set the I/O block size to 5120 bytes.       -c     Use  the  old portable (ASCII) archive format.  This is the same              as -H odc.       -C, --io-size=NUMBER              Set the I/O block size to the given NUMBER of bytes.       -D, --directory=DIR              Change to directory DIR.       --force-local              Archive file is local, even if its name contains colons.       -H, --format=FORMAT              Use given archive FORMAT.  Valid  formats  are  (the  number  in              parentheses gives maximum size for individual archive member):              bin    The obsolete binary format.  (2147483647 bytes)              odc    The old (POSIX.1) portable format. (8589934591 bytes)              newc   The  new (SVR4) portable format, which supports file sys-                     tems having more than 65536 i-nodes. (4294967295 bytes)              crc    The new (SVR4) portable format with a checksum added.              tar    The old tar format. (8589934591 bytes)              ustar  The POSIX.1 tar format.   Also  recognizes  GNU  tar  ar-                     chives,  which are similar but not identical. (8589934591                     bytes)              hpbin  The obsolete binary format used  by  HPUX's  cpio  (which                     stores device files differently).              hpodc  The portable format used by HPUX's cpio (which stores de-                     vice files differently).       -R, --owner=[USER][:.][GROUP]              In copy-in and copy-pass mode, set the ownership  of  all  files              created  to  the specified USER and/or GROUP.  In copy-out mode,              store the supplied owner information in the archive.              USER and GROUP are first looked up in the system user and  group              databases.  If not found, cpio checks if they consist of decimal              digits only and, if so, treats them as numeric UID and GID, cor-              respondingly.              To avoid the lookup and ensure that arguments are treated as nu-              meric values, prefix them with a plus sign, e.g.: -R +0:+0.       --quiet              Do not print the number of blocks copied at the end of the run.       --rsh-command=COMMAND              Use remote COMMAND instead of rsh.       -v, --verbose              Verbosely list the files processed.       -V, --dot              Print a "." for each file processed.       -W, --warning=FLAG              Controls warning display.  The FLAG is one of none,  to  disable              all  warnings,  all to enable them, truncate, to enable warnings              about field truncation, and no-truncate, to disable them.              Multiple -W options accumulate.   Operation modifiers valid in copy-in and copy-out modes       -F, --file=[[USER@]HOST:]ARCHIVE-FILE              Use this ARCHIVE-FILE instead  of  standard  input  (in  copy-in              mode)  or standard output (in copy-out mode).  Optional USER and              HOST specify the user and host names in case  of  a  remote  ar-              chive.       -M, --message=STRING              Print  STRING  when  the  end of a volume of the backup media is              reached.   Operation modifiers valid only in copy-in mode       -b, --swap              Swap both halfwords of words and bytes of halfwords in the data.              Equivalent to -sS.       -f, --nonmatching              Only copy files that do not match any of the given patterns.       -n, --numeric-uid-gid              In  the  verbose table of contents listing, show numeric UID and              GID.       -r, --rename              Interactively rename files.       -s, --swap-bytes              Swap the bytes of each halfword in the files.       -S, --swap-halfwords              Swap the halfwords of each word (4 bytes) in the files.       --to-stdout              Extract files to standard output.       -E, --pattern-file=FILE              Read additional patterns specifying filenames to extract or list              from FILE.       --only-verify-crc              When reading a CRC format archive, only verify the CRC's of each              file in the archive, without actually extracting the files.   Operation modifiers valid only in copy-out mode       -A, --append              Append to an existing archive.       --device-independent, --reproducible              Create reproducible  archives.   This  is  equivalent  to  --ig-              nore-devno --renumber-inodes.       --ignore-devno              Store  0  in the device number field of each archive member, in-              stead of the actual device number.       -O [[USER@]HOST:]ARCHIVE-NAME              Use ARCHIVE-NAME instead of standard output. Optional  USER  and              HOST  specify  the  user  and host names in case of a remote ar-              chive.              The output archive name can be specified wither using  this  op-              tion, or using -F (--file), but not both.       --renumber-inodes              Renumber inodes when storing them in the archive.   Operation modifiers valid only in copy-pass mode       -l, --link              Link files instead of copying them, when possible.   Operation modifiers valid in copy-in and copy-out modes       --absolute-filenames              Do  not strip file system prefix components from the file names.              This is the default.       --no-absolute-filenames              Create all files relative to the current directory.   Operation modifiers valid in copy-out and copy-pass modes       -0, --null              Filenames in the list are delimited by null  characters  instead              of newlines.       -a, --reset-access-time              Reset the access times of files after reading them.       -I [[USER@]HOST:]ARCHIVE-NAME              Use  ARCHIVE-NAME  instead  of standard input. Optional USER and              HOST specify the user and host names in case  of  a  remote  ar-              chive.              The  input  archive  name can be specified wither using this op-              tion, or using -F (--file), but not both.       -L, --dereference              Dereference symbolic links (copy the files that  they  point  to              instead of copying the links).   Operation modifiers valid in copy-in and copy-pass modes       -d, --make-directories              Create leading directories where needed.       -m, --preserve-modification-time              Retain previous file modification times when creating files.       --no-preserve-owner              Do not change the ownership of the files.       --sparse              Write files with large blocks of zeros as sparse files.       -u, --unconditional              Replace all files unconditionally.RETURN VALUE       GNU  cpio exits with code 0 if it was able to successfully complete the       requested operation.  On errors, it exits with code 2.SEE ALSOtar(1),rmt(8),mt(1).BUG REPORTS       Report bugs to <bug-cpio@gnu.org>.COPYRIGHT       Copyright (C) 2014 Free Software Foundation, Inc.       License GPLv3+: GNU GPL version 3 or later <http://gnu.org/li-       censes/gpl.html>       This  is  free  software:  you  are free to change and redistribute it.       There is NO WARRANTY, to the extent permitted by law.CPIO                             June 21, 2018CPIO(1)