Gzip
From Just Solve the File Format Problem
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== Identification == | == Identification == | ||
| − | gzip files begin with two signature bytes: <code> | + | gzip files begin with two signature bytes: <code>0x1F 0x8B</code>. The third byte indicates the compression method, and is normally <code>0x08</code> (meaning DEFLATE). |
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| + | gzip 0.5 apparently used [[Freeze/Melt]] 1.x format, with signature bytes <code>0x1F 0x9E</code>. | ||
== Specifications == | == Specifications == | ||
Revision as of 20:39, 4 January 2014
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.
