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From: jwright@cfht.hawaii.edu (Jim Wright)
Newsgroups: comp.virus
Subject: Brief guide to files formats last changed 05 February 1993
Message-ID: <0004.9308031502.AA10299@agarne.ims.disa.mil>
Date: 2 Aug 93 00:24:58 GMT
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Brief guide to files formats last changed 05 February 1993
-- The most recent copy of the complete text may be anonymous ftp'd --
-- from ux1.cso.uiuc.edu (128.174.5.59) in the directory doc/pcnet. --
-- That file is maintained by David Lemson (lemson@uiuc.edu). --
-- Please do not strip this note from this list when passing it on. --
ARC (.arc)
This format is most popular on PCs. Compresses and stores multiple
files in a single archive.
PC - arc 6.02, pk361
Mac - ArcMac 1.3c
Unix - arc 5.21
VM/CMS - arcutil
Amiga - Arc 0.23, PKAX
VMS - arcvms
Apple2 - dearc
Atari - arc 5.21b, pkunarc
OS/2 - arc2
ARJ (.arj)
ARJ is a new archive format for DOS. Compresses and stores multiple
files in a single archive. The author is Robert K Jung,
robjung@world.std.com.
PC - arj 2.30 (arj230.exe)
Unix - unarj 2.30
Amiga - unarj 0.6
BinHex (.hqx)
A Macintosh format. Converts a binary Mac file, including data and
resource forks, into an archive of only printing ASCII characters.
Note that BinHex4.0 will create and decode the ASCII hqx encoding used
on Usenet, while BinHex5.0 will decode the ASCII hqx encoding but will
create a non-ASCII binary file.
PC - xbin 2.3
Mac - BinHex4.0, BinHex5.0, StuffIt 1.6, Compact Pro 1.32
Unix - mcvert
VM/CMS - binhex
binscii ( )
A favorite Apple2 file transmission format. Similar to uu{en,de}code
except it can handle multiple files in a single package.
Apple2 - binscii
Compact Pro (.cpt)
A new Macintosh format. Compresses and stores multiple files in
a single archive.
Mac - Compact Pro 1.32, Extractor 1.21
PC - EXTRACT
compress (.Z)
A Unix format. Compresses a single file in an archive.
PC - u16, comprs16, comp430d
Mac - MacCompress3.2A
Unix - compress
VM/CMS - compress
Amiga - compress
VMS - lzcomp
Apple2 - compress
Atari - compress
Disk Masher (.dms)
This is an Amiga format. Compresses and stores an entire floppy in a
single archive.
Amiga - DMS
LHarc (.lzh)
This format originated on PCs, and is now popular on Amigas. Compresses
and stores multiple files in a single archive.
PC - lha 2.13 (lha213.exe)
Mac - MacLHarc 0.41
Unix - lha 1.00
Amiga - LHarc 1.30 [Only .lh0 and .lh1], LhA 1.32, LZ 1.92
Atari - lharc113
LHWarp (.lzw)
This is an Amiga format. Compresses and stores an entire floppy in a
single archive. Better compression than plain Warp.
Amiga - Lhwarp
LU (.lbr)
This is an old format that originated with CP/M. It is virtually
non-existent now. Collects multiple files into a single archive
with no compression.
PC - lue220
Mac - ArcMac 1.3c
Unix - lar
VM/CMS - arcutil
VMS - vmssweep
LZ (.lha .lzh)
This format is popular on Amigas. Compresses and stores multiple
files in a single archive. Will extract .lzh or .lza, and will
produce .lza. Is fast when extracting files.
Amiga - LZ 1.92
MSX (.msx)
A new format for CP/M machines. Is also able to extract lharc archives.
CP/M - PMARC and PMEXT
nupack ( )
A favorite Apple2 archive format.
Apple2 - nupack
PackIt (.pit)
An old Macintosh format. Compresses and stores multiple files in a
single archive.
PC - UnPackIt 1.0
Mac - PackIt3.1.3
Unix - unpit
PAK (.pak)
An old PC format. Compresses and stores multiple files in a
single archive. Also the name of an Amiga format which produces
self-extracting archives. Also the name of a new PC format.
PC - PAK 2.51
Unix - arc 5.21
Amiga - PAK 1.0
shell archive (.shar, .sh)
A Unix format. Stores multiple files in a single archive without
compression.
PC - unshar
Mac - UnShar2.0
Unix - sh, unshar
Amiga - UnShar
Apple2 - unshar
Atari - shar
ShrinkIt ( )
A favorite Apple2 archive format.
Apple2 - ShrinkIt
Squeeze (._Q_)
An old PC (CP/M?) format. Compresses and stores multiple files in a
single archive.
PC - sqpc131
VM/CMS - arcutil
Amiga - Sq.Usq
VMS - vmsusq
Atari - ezsqueeze
StuffIt (.sit)
A Macintosh format. Compresses and stores multiple files in a
single archive.
PC - mactopc, UnStuffit 1.0
Mac - StuffIt 1.6
Unix - unsit
Amiga - unsit
tape archive (.tar)
A Unix format. Stores multiple files in a single archive without
compression.
PC - tar, tarread, pax, pdtar
Mac - UnTar2.0
Unix - tar, GNU tar
Amiga - TarSplit, pax, GNUtar 1.09
VMS - vmstar
Atari - sttar
uuencode (.uu, .uue)
A Unix format. Converts a binary file into an archive of only
printing ASCII characters suitable for mailing.
PC - uuexe 5.15
Mac - UMCP Tools 1.5.1
Unix - uuencode, uudecode
VM/CMS - arcutil
Amiga - uuencode, uudecode
VMS - uudecode2.
Apple2 - uu.en.decode
Warp (.wrp)
This is an Amiga format. Compresses and stores an entire floppy in a
single archive.
Amiga - WarpUtil
xxencode (.xx, .xxe)
A Unix format. Converts a binary file into an archive of only
printing ASCII characters suitable for mailing. Solves many of
the problems of uuencode.
PC - uuexe 5.15
Unix - xxencode, xxdecode
VM/CMS - xxencode
ZIP (.zip)
This format is popular on many systems. Compresses and stores
multiple files in a single archive.
PC - PKZIP/PKUNZIP 2.04g, Portable unzip 5.0p1, Portable zip 1.9p1
Mac - UnZip1.02c
Unix - Portable unzip 5.0p1, Portable zip 1.9p1
VM/CMS - arcutil 2.0 (uncompress only)
Amiga - PKAZip 1.01, Portable unzip 5.0p1, Portable zip 1.9p1
Atari - STZip 0.9 beta
VMS - Portable unzip 5.0p1, Portable zip 1.9p1
OS/2 - PKZIP/PKUNZIP 1.02, Portable unzip 5.0p1, Portable zip 1.9p1
ZOO (.zoo)
This format is popular on USENET. Compresses and stores multiple
files in a single archive.
PC - zoo 2.10
Mac - MacBooz2.1
Unix - zoo 2.10
VM/CMS - zoo
Amiga - zoo 2.10
VMS - zoo 2.10
Atari - zoo 2.10
OS/2 - zoo 2.10
ZOOM (.zom)
This is an Amiga format. Compresses and stores an entire floppy in a
single archive. Not in common use due to program speed.
Amiga - zoom