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PAX - Portable Archive Interchange
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Copyright (C) 1989 Mark H. Colburn
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All Rights Reserved.
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Introduction
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This is version 1.2 of Pax, an archiving utility.
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Pax is an archiving utility that reads and writes tar and cpio formats,
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both the traditional ones and the extended formats specified in IEEE
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1003.1. It handles multi-volume archives and automatically determines
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the format of an archive while reading it. Three user interfaces are
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supported: tar, cpio, and pax. The pax interface was designed by IEEE
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1003.2 as a compromise in the chronic controversy over which of tar or
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cpio is best.
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The USENIX Association provided some support for the initial
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implementation of this product. As a result, the Pax utility is being
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distributed free of charge and may be redistributed by others in either
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source or binary form. (See the liscensing section for restrictions)
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The source for Pax has been posted to comp.sources.unix on USENET and
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will also be available by anonymous FTP on the Internet from uunet.uu.net,
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moon.src.honeywell.com and from ucb-arpa.berkeley.edu. The source
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to Pax is also available via anonymous UUCP from jhereg.mn.org, the
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author's home machine and possibly other sites.
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The source for Pax will continue to change as long as the definition of
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the utility is modified by the 1003.2 working group. (For example,
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there are a number of changes in Draft 8 which will be incorporated as
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soon as Draft 8 is available). Additional modifications will be made
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based on user input, such as request for support of additional archive
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formats, etc. Patches and new releases will be made as new functionality
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is added or problems are diagnosed and fixed.
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Installation
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In order to install Pax, you must first edit the Makefile and the
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config.h file according to the directions in each of the files.
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These two files provide the configuration information for most
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commonly available machines. Please be sure to read through all
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the directions in each of these files before attempting to compile
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Pax.
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Portability
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Pax is intended to run on as many systems as possible. If you have
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problems getting Pax to compile or run on your system, please let me
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know so that the source or the installation procedure can be modified.
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Pax has been tested and appears to run correctly on the following
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machines:
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Machine Operating System/Release
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Altos 586 System III (2.3)
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AT&T UNIX PC System V.2 (Release 3.51)
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Convergent S/320 CTIX/68k 6.1, UNIX SysV 3.1
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Cray 2 UNICOS
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Encore CC 02.00.r088
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HP 9000 HP/UX 6.0.1
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IBM PC/AT Microport SV/AT V2.4
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Mac II A/UX 1.0
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NCR Tower System V.2
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Pyramid AT&T and Berkeley universe
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Sequent Symetry Dynix 3.0
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SGI Iris 4D/60G UNIX 3.0
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SGI Iris 4D/70G UNIX 3.0
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SCO Xenix 386 2.3.2
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SCO Unix 386 3.2
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Sun 2 SunOS 3.4
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Sun 2 SunOS 3.5
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Sun 3 SunOS 3.4
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Sun 3 SunOS 3.5
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Sun 3 SunOS 4.0
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Sun 4 SunOS 4.0
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VAX 8750 BSD 4.3 (Mt. Xinu)
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VAX 8650 BSD 4.3 (Mt. Xinu)
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VAX 780 BSD 4.3 (Berkeley)
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---------------------------------------------------
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In future releases, the source will be moving toward ANSI C and POSIX
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compatibility. This should allow for portability over any system
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supporting both ANSI and POSIX. In addition, POSIX/ANSI portability
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library routines will be developed which will allow the code to run on
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the standard machines available now.
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Credit Where Credit is Due
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Parts of the code which makes up Pax were gleaned from a number of
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different sources: the directory access routines in paxdir.h are
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modified copies of Doug Gwyn's dirent library; the regular expression
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matching routines in regexp.c are from Henry Spencer, some of the tar
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archive routines were initially written by John Gilmore for his PDTAR;
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and finally afio, written by Mark Brukhartz at Lachman Associates, was
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the basis for the buffering schemes used in pax.
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Licensing
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Copyright (c) 1989 Mark H. Colburn.
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All rights reserved.
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Redistribution and use in source and binary forms are permitted
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provided that the above copyright notice is duplicated in all such
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forms and that any documentation, advertising materials, and other
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materials related to such distribution and use acknowledge that the
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software was developed by Mark H. Colburn and sponsored by The
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USENIX Association.
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THE SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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Please report any bug or problems to:
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Mark Colburn
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Minnetech Consulting, Inc.
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117 Mackubin St., Suite 1
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St. Paul MN 55102
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mark@jhereg.MN.ORG
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