Gzip

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* [[7-Zip]]
 
* [[7-Zip]]
 
* [http://zlib.net/ zlib]
 
* [http://zlib.net/ zlib]
 +
* [https://code.google.com/p/zopfli/ zopfli] (Gzip-compatible, better compression, but very slow compression)
  
 
== Links ==
 
== Links ==
 
* [[Wikipedia:gzip|Wikipedia article]]
 
* [[Wikipedia:gzip|Wikipedia article]]
 
* [http://www.infinitepartitions.com/cgi-bin/showarticle.cgi?article=art001 Dissecting the GZIP format]
 
* [http://www.infinitepartitions.com/cgi-bin/showarticle.cgi?article=art001 Dissecting the GZIP format]

Revision as of 12:07, 11 August 2014

File Format
Name gzip
Ontology
Extension(s) .gz
MIME Type(s) application/x-gzip
PRONOM x-fmt/266

gzip is a compressed file format and command line utility used primarily on Unix-style operating systems, but available cross-platform. It uses DEFLATE compression.

Contents

Identification

gzip files begin with two signature bytes: 0x1F 0x8B. The third byte indicates the compression method, and is normally 0x08 (meaning DEFLATE).

gzip 0.5 apparently used Freeze/Melt 1.x format, with signature bytes 0x1F 0x9E.

Specifications

Software

Links

Personal tools
Namespaces

Variants
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