Pack (Unix)
From Just Solve the File Format Problem
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* illumos: [http://src.illumos.org/source/xref/illumos-gate/usr/src/cmd/pack/ pack], [http://src.illumos.org/source/xref/illumos-gate/usr/src/cmd/unpack/ unpack] - Source code | * illumos: [http://src.illumos.org/source/xref/illumos-gate/usr/src/cmd/pack/ pack], [http://src.illumos.org/source/xref/illumos-gate/usr/src/cmd/unpack/ unpack] - Source code | ||
* https://github.com/koalaman/pack - A modern implementation in Haskell (write-only) | * https://github.com/koalaman/pack - A modern implementation in Haskell (write-only) | ||
| + | * [https://github.com/Xelitan/Free-Pascal-port-of-Unix-pack-unpack Modern Free Pascal port of pack/unpack for Windows] | ||
== Sample files == | == Sample files == | ||
| − | * | + | * {{DexvertSamples|archive/pack}} |
== References == | == References == | ||
Latest revision as of 06:35, 20 April 2026
pack is a command in Unix-style operating systems to compress files using Huffman coding. Files normally have a lowercase .z extension, appended to their names including any other extension they may already have in their uncompressed versions, e.g., file.txt.z.
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[edit] See also
[edit] Identification
Files begin with bytes 0x1F 0x1E.
The gzip source code mentions an "old pack format" that begins with 0x1F 0x1F.
See also compress (Unix)#The 0x1f compression family.
[edit] Software
- GNU gzip [Note: Broken in v1.6 - 1.8]
- Ancient
- Deark
- Tenth Edition of Unix → v10src.tar.bz2 → cmd/pack/ - Source code
- illumos: pack, unpack - Source code
- https://github.com/koalaman/pack - A modern implementation in Haskell (write-only)
- Modern Free Pascal port of pack/unpack for Windows
