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Data Compression


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Information and Publications: Showing

RFC1979 PPP Deflate Protocol. [c. 1996/08/01]

RFC1978 PPP Predictor Compression Protocol. [c. 1996/08/01]

RFC1993 PPP Gandalf FZA Compression Protocol. [c. 1996/08/01]

RFC1975 PPP Magnalink Variable Resource Compression. [c. 1996/08/01]

RFC1974 PPP Stac LZS Compression Protocol. [c. 1996/08/01]

RFC1967 PPP LZS-DCP Compression Protocol (LZS-DCP). [c. 1996/08/01]

RFC1962 The PPP Compression Control Protocol (CCP). [c. 1996/06/01]

RFC1952 GZIP file format specification version 4.3. [c. 1996/05/01]

RFC1951 DEFLATE Compressed Data Format Specification version 1.3. [c. 1996/05/01]

RFC1950 ZLIB Compressed Data Format Specification version 3.3. [c. 1996/05/01]

RFC2118 Microsoft Point-To-Point Compression (MPPC) Protocol. [c. 1997/03/01]

RFC1976 PPP for Data Compression in Data Circuit-Terminating Equipment (DCE). [c. 1996/08/01]

RFC1977 PPP BSD Compression Protocol. [c. 1996/08/01]

RFC1144 Compressing TCP/IP headers for low-speed serial links. [ 1990/02/01]

comp.compression Frequently Asked Questions (part 1/3)

At faqs.org part 2/3)  part 3/3) 
At MIT part 1/3)  part 2/3)  part 3/3) 

JPEG image compression FAQ, part 1/2

At faqs.org part 2/2 
At MIT part 1/2  part 2/2 

COMPRESS - MS Compress 6.22+ File Format (Incomplete)

WORD CODING - Word Coding Compression Algorithm

COMPRESS - MS Compress 5.0 File Format (Incomplete)

INCREMENTAL COMPRESSION - Incremental Compression Algorithm


Books: Showing

Data Compression : The Complete Reference
[David Salomon; 2000-10] ISBN 0387950451
- At Barnes & Noble - At Amazon - At Half

The Transform and Data Compression Handbook
[P. C. Yip (Editor), K. Ramamohan Rao (Editor); 2000-09-27] ISBN 0849336929
- At Barnes & Noble - At Amazon - At Half

The Data Compression Book
[Mark Nelson, Jean-Loup Gailly; 1995-11] ISBN 1558514341
- At Barnes & Noble - At Amazon - At Half


Questions and Answers: Showing

XML Compression Options? [2002/01/17]

At Ask Slashdot

Can Unix Mount .TAR.GZ and .ZIP Files? [ 2000/09/13]

At Ask Slashdot

What Has Happened To Fractal Image Compression? [ 2000/09/10]

At Ask Slashdot


Applications and Utilities: Showing

zforce(1) - force a '.gz' extension on all gzip files {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

zgrep(1) - search possibly compressed files for a regular expression {oss}

Man pages: RedHat NetBSD
Source code: OpenBSD FreeBSD

zmore(1) - file perusal filter for crt viewing of compressed text {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

znew(1) - recompress .Z files to .gz files {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

gzip gunzip zcat(1) - compress or expand files {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD
gzip-1.2.4a - The "meta-package" for the GZIP compression utility (At NetBSD packages collection)
gzip - is GNU's program for compressing and decompressing files. (At GNU project)

gzexe(1) - compress executable files in place {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

compress uncompress(1) - compress and expand data {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD
[IEEE Std1003.2-1992 (``POSIX.2'')]

UPX: the Ultimate Packer for eXecutables - UPX is a portable, extendable, high-performance executable packer for several different executable formats. It achieves an excellent compression ratio and offers *very* fast decompression. {(L)GPL}

At Sourceforge ( Production/Stable)

deepforest-1.0a - A simple compress utilty using on JDE

At FreeBSD Ports

ja-deepforest-1.0a - A simple compress utilty using on JDE

At FreeBSD Ports

linux_rar-2.90 - General purpose archiving and compression tool (binary port)

At FreeBSD Ports

mscompress-0.3 - Microsoft "compress.exe/expand.exe" compatible (de)compressor

At FreeBSD Ports

pkzip-2.5 - Create/update/list/test/extract pkzip ZIP files

At FreeBSD Ports

libcomprex-0.1.0 - Transparently handles automatic compression and decompression of files

At FreeBSD Ports

p5-IO-Zlib-1.01 - IO:: style interface to Compress::Zlib

At FreeBSD Ports

stuffit-5.2.0.611 - Stuffit Archive Creator and Expander

At FreeBSD Ports

lbrate-1.0 - Extract/decompress CP/M LBR archives

At FreeBSD Ports

szip-1.12b - A fast compression utility

At FreeBSD Ports

lha-1.14i - Archive files using LZW compression (.lzh files)

At FreeBSD Ports
lha-1.14f.tgz (At OpenBSD 2.7_packages i386)
lha-1.14f.tgz (At OpenBSD 2.8_packages i386)
lha-1.14f.tgz (At OpenBSD 2.7_packages m68k)
lha-1.14f.tgz (At OpenBSD 2.7_packages sparc)
lha-1.14f.tgz (At OpenBSD 2.8_packages m68k)
lha-1.14f.tgz (At OpenBSD 2.8_packages sparc)
lha-114f (At NetBSD packages collection)

zoo-2.10.1 - Manipulate archives of files in compressed form.

At FreeBSD Ports
zoo-2.10.1.tgz - handle the old .zoo archive format (At OpenBSD 2.7_packages i386)
zoo-2.10.1.tgz - handle the old .zoo archive format (At OpenBSD 2.8_packages i386)
zoo-2.10.1.tgz - handle the old .zoo archive format (At OpenBSD 2.7_packages m68k)
zoo-2.10.1.tgz - handle the old .zoo archive format (At OpenBSD 2.7_packages sparc)
zoo-2.10.1.tgz - handle the old .zoo archive format (At OpenBSD 2.8_packages m68k)
zoo-2.10.1.tgz - handle the old .zoo archive format (At OpenBSD 2.8_packages sparc)
Manipulate archives of files in compressed form (At NetBSD packages collection)
zoo - File archiver programe (At comp.sources.unix at ISC)
zoo - Zoo archive program (At comp.sources.unix at ISC)
zoo - File archiver programe (At comp.sources.unix at UUNET)
zoo2zoo - Zoo archive program (At comp.sources.unix at UUNET)

arc-5.21e.8 - Create & extract files from DOS .ARC files

At FreeBSD Ports
arc-5.21e.tgz - create & extract files from DOS .ARC files (At OpenBSD 2.8_packages i386)
arc-5.21e.tgz - create & extract files from DOS .ARC files (At OpenBSD 2.8_packages m68k)
arc-5.21e (At NetBSD packages collection)
arc - ARC (PC compression program) (At comp.sources.unix at ISC)
arc5.21arc - ARC (PC compression program), v5.21 (At comp.sources.unix at UUNET)
arc-5.21arc - arc 5.21 (pl 8) - file archive/compression tool (At comp.sources.unix at UUNET)

Misc.Patches1 - Changes to calls, compress, ditrev, getpaths, nbatcher {oss}

At comp.sources.unix at UUNET

squeeze1.711 - A file compression program {oss}

At comp.sources.unix at UUNET

compress.xenix - Xenix patches to compress4.0 {oss}

At comp.sources.unix at UUNET

yabbawhap - Public-domain replacement for compress programs {oss}

At comp.sources.unix at ISC
ftp://ftp.uu.net/usenet/comp.sources.unix/volume24/ (At comp.sources.unix at UUNET)

Compress - a state-of-the-art file compression program {oss}

At comp.sources.unix at ISC

Compress {oss}

At comp.sources.unix
compress - Compression 4.0 program better than pack or compact (At comp.sources.unix at UUNET)

tcx - Transparently Compressed Executables for UNIX {oss}

At comp.sources.unix at ISC
tcx-1.1tcx (At comp.sources.unix at UUNET)

ZipCracker - Cracks password protected zip archives with brute force(TM) {GPL}

(Info at freshmeat)
- ZipCracker is a program to help users recover files from password protected zip archives. It has a easy to use Gnome User interface. (At Sourceforge)

lzop - A very fast file compressor similar to gzip {GPL}

lzop-1.00 - Fast file compressor similar to gzip, using the LZO library (At FreeBSD Ports)
lzop-1.00.tgz - fast file compressor similar to gzip (At OpenBSD 2.8_packages i386)
lzop-1.00.tgz - fast file compressor similar to gzip (At OpenBSD 2.8_packages m68k)
lzop-1.00.tgz - fast file compressor similar to gzip (At OpenBSD 2.8_packages sparc)
lzop-1.00 - Fast file compressor similar to gzip, using the LZO library (At NetBSD packages collection)
(Info at freshmeat)

tkArchive - modular GUI to unix archive utilities {x,GPL}

(Info at freshmeat)

StuffIt Deluxe 7.5

Lzip - An advanced, lossy data compression utility.

At Sourceforge (])

unarj - arj un-archiver {Freeware}

unarj-2.43_1 - Allows files to be extracted from ARJ archives (At FreeBSD Ports)
unarj-2.43.tgz - extract files from ARJ archives (At OpenBSD 2.8_packages i386)
unarj-2.43.tgz - extract files from ARJ archives (At OpenBSD 2.8_packages m68k)
unarj-2.43 - Allows files to be extracted from ARJ archives (At NetBSD packages collection)
(Info at freshmeat)

unzip-5.42 - List, test and extract compressed files in a ZIP archive

At FreeBSD Ports
unzip-5.40.tgz - extract, list & test files in a ZIP archive (At OpenBSD 2.7_packages i386)
unzip-5.41.tgz - extract, list & test files in a ZIP archive (At OpenBSD 2.8_packages i386)
unzip-5.40.tgz - extract, list & test files in a ZIP archive (At OpenBSD 2.7_packages m68k)
unzip-5.40.tgz - extract, list & test files in a ZIP archive (At OpenBSD 2.7_packages sparc)
unzip-5.41.tgz - extract, list & test files in a ZIP archive (At OpenBSD 2.8_packages vax)
unzip-5.41.tgz - extract, list & test files in a ZIP archive (At OpenBSD 2.8_packages powerpc)
unzip-5.41.tgz - extract, list & test files in a ZIP archive (At OpenBSD 2.8_packages m68k)
unzip-5.41.tgz - extract, list & test files in a ZIP archive (At OpenBSD 2.8_packages sparc)
ftp://ftp.netbsd.org/pub/NetBSD/packages/pkgsrc/archivers/unzip/README.html (At NetBSD packages collection)
UnZip - Unpacks .zip files such as those made by pkzip under DOS

zip-2.3 - Create/update ZIP files compatible with pkzip

At FreeBSD Ports
zip-2.3.tgz (At OpenBSD 2.8_packages i386)
zip-2.3.tgz (At OpenBSD 2.8_packages vax)
zip-2.3.tgz (At OpenBSD 2.8_packages m68k)
zip-2.3.tgz (At OpenBSD 2.8_packages sparc)
zip-2.3nb1 (At NetBSD packages collection)
zip - file compression/archive tool (At comp.sources.unix at ISC)
zip - file compression/archive tool (At comp.sources.unix at UUNET)
Zip - Creates PKZIP(tm)-compatible .zip files

bzip2 - Very high-quality data compression program {BSL}

bzip-0.21 - A block-sorting file compressor. (At FreeBSD Ports)
bzip2-1.0.2 - A block-sorting file compressor (At FreeBSD Ports)
bzip-0.21.tgz - block-sorting file compressor, encumbered (At OpenBSD 2.8_packages i386)
bzip2-1.0.1.tgz - block-sorting file compressor, unencumbered (At OpenBSD 2.8_packages i386)
bzip2-0.9.5d.tgz - block-sorting file compressor, unencumbered (At OpenBSD 2.7_packages i386)
bzip2-0.9.5d.tgz - block-sorting file compressor, unencumbered (At OpenBSD 2.7_packages m68k)
bzip2-0.9.5d.tgz - block-sorting file compressor, unencumbered (At OpenBSD 2.7_packages sparc)
bzip2-1.0.1.tgz - block-sorting file compressor, unencumbered (At OpenBSD 2.8_packages vax)
bzip2-1.0.1.tgz - block-sorting file compressor, unencumbered (At OpenBSD 2.8_packages m68k)
bzip-0.21.tgz - block-sorting file compressor, encumbered (At OpenBSD 2.8_packages m68k)
bzip2-1.0.1.tgz - block-sorting file compressor, unencumbered (At OpenBSD 2.8_packages sparc)
bzip2-0.9.0b - Block-sorting file compressor (At NetBSD packages collection)
bzip2 compressor (At comp.sources.unix at ISC)
(Info at freshmeat)

Djvu Compressor - Innovative document image compression technique {free for non-commercial use}

(Info at freshmeat)

Lzhuf.C - Compression used in LHARC & LHA {oss}

At snippets.org

Compress It for Palm OS

StuffIt Deluxe 6.5

21st Century Easy Zip

Pkzip Suite 4.5

StuffIt 7.0

StuffIt 7.0 (10-pack)

Stuffit Deluxe French Version 4.5

StuffIt Deluxe 6.5 (10-pack)

Pkzip 4.5

StuffIt 7.0

FileWrangler 1.0

ZipExpert 1.

Applications and Utilities

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Libraries and Components: Showing

cppadvio-2.6 - Advanced i/o, networking, and arithmetic compression C++ classlib

At FreeBSD Ports

ruby-zlib-0.5.1 - An extension library to use zlib from Ruby

At FreeBSD Ports

zziplib-0.10.11 - A library to provide transparent read access to zipped files

At FreeBSD Ports

libarc-2.0.2 - Tiny C library to decompress data in several popular compression formats

At FreeBSD Ports

librsync-0.9.5_1 - Library for delta compression of streams

At FreeBSD Ports

ucl-0.92 - A data compression library with low memory usage during decompression

At FreeBSD Ports

p5-Archive-Zip-0.11 - Perl module to create, manipulate, read, and write Zip archive files

At FreeBSD Ports

ruby-zip-0.4.2 - A Ruby module for reading and writing zip files

At FreeBSD Ports

py22-bzip2-1.0 - Python Interface for bz2 Compression Library

At FreeBSD Ports

p5-Compress-Zlib-1.14 - Perl5 interface to zlib compression library

At FreeBSD Ports
p5-Compress-Zlib-1.08.tgz (At OpenBSD 2.8_packages i386)
p5-Compress-LZO-1.00.tgz - Perl5 interface to lzo compression library (At OpenBSD 2.8_packages i386)
p5-Compress-Zlib-1.08.tgz (At OpenBSD 2.8_packages sparc)
p5-Compress-Zlib-1.11 - Compress::Zlib - Perl interface to info-zip zlib compression library (At NetBSD packages collection)
Compress - a Perl interface to the info-zip zlib compression library, which lets you compress files. You'll need the zlib C library; the Compress module is just a Perl veneer over it. (At CPAN)

Python-LZO - Python bindings for the LZO real-time data compression library {GPL}

(Info at freshmeat)

Perl-LZO - Provides LZO bindings for Perl5 {GPL}

LZO - Data compression library with very fast (de-)compression {GPL}

lzo-1.07 - Portable speedy, lossless data compression library (At FreeBSD Ports)
lzo-1.06.tgz - portable speedy lossless data compression library (At OpenBSD 2.7_packages i386)
lzo-1.06.tgz - portable speedy lossless data compression library (At OpenBSD 2.8_packages i386)
lzo-1.06.tgz - portable speedy lossless data compression library (At OpenBSD 2.7_packages m68k)
lzo-1.06.tgz - portable speedy lossless data compression library (At OpenBSD 2.7_packages sparc)
lzo-1.06.tgz - portable speedy lossless data compression library (At OpenBSD 2.8_packages powerpc)
lzo-1.06.tgz - portable speedy lossless data compression library (At OpenBSD 2.8_packages m68k)
lzo-1.06.tgz - portable speedy lossless data compression library (At OpenBSD 2.8_packages sparc)
(Info at freshmeat)

AVFS - C library add-on, which enables all programs to look inside compressed files {GPL}

(Info at freshmeat)

p5-Compress-LZO-1.00.tgz - Perl5 interface to lzo compression library

At OpenBSD 2.8_packages i386
http://www.openbsd.org/2.8_packages/sparc/p5-Compress-LZO-1.00.tgz-long.html (At OpenBSD 2.8_packages sparc)

zlib-1.1.3 - General purpose data compression library {}

At NetBSD packages collection
zlib - A compression/decompression Library

Python-LZO - Python bindings for the

(Info at freshmeat)

Libraries and Functions

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See also: File Transfer and Distribution - Protocols and Methods of transfering files and directories, distributing and installing software. (file collections and archives, FTP, cvsup, NFS, et al.)

Up to Persistent Data - Gateway topic to externally stored and transmitted data.

(There may be additional related subject pages listed here)

External Categories

freshmeat.net : Topic : System : Archiving : Compression

Computers : Algorithms : Compression :

Computers : Data Formats : Compression :

Computers : Software : Data Compression :

Yahoo! Computers and Internet:Software:System Utilities:Compression

(Metalab at UNC) /pub/linux/libs/compression/ - data compression libraries

(Metalab at UNC) /pub/linux/utils/compress/ - Compression and archiving utils

(Metalab at UNC) /pub/linux/X11/compress/ - tools to compress the X protocol stream

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