paxcpio

     paxcpio -o [-AaBcJjLVvZz] [-C bytes] [-F archive] [-H format] [-M flag]
             [-O archive] < name-list [> archive]
     paxcpio -i [-6BbcdfJjmrSstuVvZz] [-C bytes] [-E file] [-F archive]
             [-H format] [-I archive] [-M flag] [pattern ...] [< archive]
     paxcpio -p [-adLlmuVv] destination-directory < name-list

DESCRIPTION
     The paxcpio command copies files to and from a cpio archive.

     The options are as follows:

     -o      Create an archive.  Reads the list of files to store in the ar-
             chive from standard input, and writes the archive on standard
             output.

             -A      Append to the specified archive.

             -a      Reset the access times on files that have been copied to
                     the archive.

             -B      Set block size of output to 5120 bytes.

             -C bytes
                     Set the block size of output to bytes.

             -c      Use ASCII format for cpio header for portability.

             -F archive
                     Use the specified file as the input for the archive.

             -H format
                     Write the archive in the specified format.  Recognised
                     formats are:

                     ar       Unix Archiver.
                     bcpio    Old binary cpio format.  Selected by -6.
                     cpio     Old octal character cpio format.  Selected by
                              -c.
                     sv4cpio  SVR4 hex cpio format.
                     sv4crc   SVR4 hex cpio format with checksums.  This is
                              the default format for creating new archives.
                     tar      Old tar format.
                     ustar    POSIX ustar format.

                     bin      These four formats...
                     crc      ...are supported...
                     newc     ...for backwards...
                     odc      ...compatibility only.

             -J      Use the xz utility to compress the archive.

             -j      Use the bzip2 utility to compress the archive.

             -L      Follow symbolic links.
                             (ar, cpio, sv4cpio, sv4crc, ustar)
                     uidgid  0x0008: Set owner to 0:0 (root:wheel).
                             (ar, cpio, sv4cpio, sv4crc, ustar)
                     verb    0x0010: Debug this option.
                     debug   0x0020: Debug file header storage.
                     lncp    0x0040: Extract hard links by copy if link fails.
                     numid   0x0080: Use only numeric uid and gid values.
                             (ustar)
                     gslash  0x0100: Append a slash after directory names.
                             (ustar)
                     set     0x0003: Keep ownership and mtime intact.
                     dist    0x008B: Clean everything except mtime.
                     norm    0x008F: Clean everything.
                     root    0x0089: Clean owner and device information.

                     This option is only implemented for the ar, cpio,
                     sv4cpio, sv4crc, and ustar file format writing routines.

             -O archive
                     Use the specified file name as the archive to write to.

             -V      Print a dot ('.') for each file written to the archive.

             -v      Be verbose about operations.  List filenames as they are
                     written to the archive.

             -Z      Use the compress(1) utility to compress the archive.

             -z      Use the gzip(1) utility to compress the archive.

     -i      Restore files from an archive.  Reads the archive file from stan-
             dard input and extracts files matching the patterns that were
             specified on the command line.

             -6      Process old-style cpio format archives.

             -B      Set the block size of the archive being read to 5120
                     bytes.

             -b      Do byte and word swapping after reading in data from the
                     archive, for restoring archives created on systems with a
                     different byte order.

             -C bytes
                     Read archive written with a block size of bytes.

             -c      Expect the archive headers to be in ASCII format.

             -d      Create any intermediate directories as needed during
                     restore.

             -E file
                     Read list of file name patterns to extract or list from
                     file.
                     bcpio    Old binary cpio format.
                     cpio     Old octal character cpio format.
                     sv4cpio  SVR4 hex cpio format.
                     sv4crc   SVR4 hex cpio format with checksums.
                     tar      Old tar format.
                     ustar    POSIX ustar format.

                     bin      These four formats...
                     crc      ...are supported...
                     newc     ...for backwards...
                     odc      ...compatibility only.

             -J      Use the xz utility to decompress the archive.

             -j      Use the bzip2 utility to decompress the archive.

             -m      Restore modification times on files.

             -r      Rename restored files interactively.

             -S      Swap words after reading data from the archive.

             -s      Swap bytes after reading data from the archive.

             -t      Only list the contents of the archive, no files or direc-
                     tories will be created.

             -u      Overwrite files even when the file in the archive is
                     older than the one that will be overwritten.

             -V      Print a dot ('.') for each file read from the archive.

             -v      Be verbose about operations.  List filenames as they are
                     copied in from the archive.

             -Z      Use the compress(1) utility to decompress the archive.

             -z      Use the gzip(1) utility to decompress the archive.

     -p      Copy files from one location to another in a single pass.  The
             list of files to copy are read from standard input and written
             out to a directory relative to the specified directory argument.

             -a      Reset the access times on files that have been copied.

             -d      Create any intermediate directories as needed to write
                     the files at the new location.

             -L      Follow symbolic links.

             -l      When possible, link files rather than creating an extra
                     copy.

             -m      Restore modification times on files.

EXIT STATUS
     The paxcpio utility exits with one of the following values:

           0       All files were processed successfully.
           1       An error occurred.

DIAGNOSTICS
     Whenever paxcpio cannot create a file or a link when extracting an ar-
     chive or cannot find a file while writing an archive, or cannot preserve
     the user ID, group ID, file mode, or access and modification times when
     the -p option is specified, a diagnostic message is written to standard
     error and a non-zero exit value will be returned, but processing will
     continue.  In the case where paxcpio cannot create a link to a file,
     unless -M lncp is given, paxcpio will not create a second copy of the
     file.

     If the extraction of a file from an archive is prematurely terminated by
     a signal or error, paxcpio may have only partially extracted the file the
     user wanted.  Additionally, the file modes of extracted files and direc-
     tories may have incorrect file bits, and the modification and access
     times may be wrong.

     If the creation of an archive is prematurely terminated by a signal or
     error, paxcpio may have only partially created the archive, which may
     violate the specific archive format specification.

SEE ALSO
     ar(1), cpio(1), deb(5), pax(1), paxtar(1), tar(1)

AUTHORS
     Keith Muller at the University of California, San Diego.

     MirOS extensions by Thorsten Glaser <tg@mirbsd.org>.

CAVEATS
     Different file formats have different maximum file sizes.  It is recom-
     mended that a format such as cpio or ustar be used for larger files.

           File format    Maximum file size
           ar             10 Gigabytes - 1 Byte
           bcpio          4 Gibibytes
           sv4cpio        4 Gibibytes
           cpio           8 Gibibytes
           tar            8 Gibibytes
           ustar          8 Gibibytes

     The backwards-compatible format options are not available in the pax(1)
     front-end.

     The -M option is a MirBSD extension, available starting with MirOS 8.
     Archives written using these options are, however, compatible to the
     standard and should be readable on any other system.  The only option
     whose behaviour is not explicitly allowed by the standard is hard link
     unification (write file contens only once) selected by -M 0x0002.
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