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HandWiki. Pax (Command). Encyclopedia. Available online: https://encyclopedia.pub/entry/33065 (accessed on 12 October 2026).
HandWiki. Pax (Command). Encyclopedia. Available at: https://encyclopedia.pub/entry/33065. Accessed October 12, 2026.
HandWiki. "Pax (Command)" Encyclopedia, https://encyclopedia.pub/entry/33065 (accessed October 12, 2026).
HandWiki. (2022, November 04). Pax (Command). In Encyclopedia. https://encyclopedia.pub/entry/33065
HandWiki. "Pax (Command)." Encyclopedia. Web. 04 November, 2022.
Pax (Command)
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The content is sourced from: https://handwiki.org/wiki/Software:Pax_(command)

Pax is an archiving utility available for various operating systems and defined since 1995. Rather than sort out the incompatible options that have crept up between tar and cpio, along with their implementations across various versions of Unix, the IEEE designed new archive utility pax that could support various archive formats with useful options from both archivers. The pax command is available on Unix and Unix-like operating systems and on IBM i, Microsoft Windows NT, and Windows 2000. In 2001, IEEE defined a new pax format which is basically tar with additional extended attributes. The format is not supported by pax commands in most Linux distributions and in FreeBSD, but it is supported by tar commands from GNU and FreeBSD; the format is further supported by pax commands in AIX, Solaris and HP-UX. The name "pax" is an acronym for portable archive exchange. The command invocation and structure is somewhat a unification of both tar and cpio.

freebsd solaris unix

References

  1. TAR versus Portability – PAX and USTAR, invisible-island.net https://www.invisible-island.net/autoconf/portability-tar.html#var_pax
  2. IEEE P1003.2 Draft 11.2−September 1991 (pdf) - Shell and Utilities, princeton.edu - Draft 11 indicates changes to pax so it must have been in draft 10 http://mirror.math.princeton.edu/pub/oldlinux/Linux.old/Ref-docs/POSIX/all.pdf
  3. pax, svnweb.freebsd.org https://svnweb.freebsd.org/base/head/bin/pax/
  4. pax(1) – FreeBSD General Commands Manual //www.freebsd.org/cgi/man.cgi?query=pax&sektion=1
  5. The Open Group Base Specifications Issue 6 - POSIX.1-2001 (IEEE Std 1003.1) Copyright © 2001-2004 The IEEE and The Open Group http://pubs.opengroup.org/onlinepubs/009695399/utilities/pax.html
  6. "MirCPIO — paxmirabilis: tar and even ar!". https://www.mirbsd.org/pax.htm. 
  7. "MirCPIO in Launchpad". https://launchpad.net/paxmirabilis. 
  8. "Bug #456405 "pax lack of support for "pax" format fails LSB" : Bugs : MirCPIO". https://bugs.launchpad.net/paxmirabilis/+bug/456405. 
  9. pax for AIX 7.3, ibm.com https://www.ibm.com/docs/en/aix/7.3?topic=p-pax-command
  10. pax for Solaris 11.1, docs.oracle.com https://docs.oracle.com/cd/E26502_01/html/E29030/pax-1.html#scrolltoc
  11. tarfile, python.org https://docs.python.org/3/library/tarfile.html
  12. libarchive, libarchive.org https://www.libarchive.org/
  13. libarchive(3), freebsd.org https://www.freebsd.org/cgi/man.cgi?query=libarchive&sektion=3
  14. HISTORY of the 7-Zip, 7-zip.org https://www.7-zip.org/history.txt
  15. tar manual, gnu.org https://www.gnu.org/software/tar/manual/tar.html
  16. tar, freebsd.org https://www.freebsd.org/cgi/man.cgi?query=tar&sektion=1
  17. "pax.1". http://heirloom.sourceforge.net/man/pax.1.html. 
  18. Release notes for LSB 3.0 note that pax was added: LSB 3.0. Commands and Utilities requires pax, but LSB 2.1.0. Commands and Utilities does not require it http://www.linuxfoundation.org/en/ReleaseNotes3#Commands
  19. pax, pkgs.org https://pkgs.org/download/pax
  20. spax, pkgs.org https://pkgs.org/download/spax
  21. heirloom-pax, pkgs.org https://pkgs.org/download/heirloom-pax
  22. Eric Pearce (1997). Windows NT in a nutshell: a desktop quick reference for system administrators. O'Reilly Media, Inc.. p. 271. ISBN 978-1-56592-251-8. https://archive.org/details/windowsntinnutsh00pear. 
  23. "System Administration of Backups, Tar, and Pax in Interix". http://support.microsoft.com/kb/246322. 
  24. Virtual x86, copy.sh http://copy.sh/v86/
  25. "Extracting files from a pax.gz package". cocoabuilder.com. http://www.cocoabuilder.com/archive/cocoa/24947-extracting-files-from-pax-gz-package.html. 
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