Pack (Unix)

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m (Jsummers moved page Pack to Pack (Unix): There aren't many file formats simply named "pack", but it's too common a word to reserve for such a rare format.)
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{{FormatInfo
 
{{FormatInfo
|name=pack
+
|name=pack (Unix)
 
|formattype=electronic
 
|formattype=electronic
 
|subcat=Compression
 
|subcat=Compression
 
|extensions={{ext|z}}
 
|extensions={{ext|z}}
 
}}
 
}}
'''pack''' is a command in Unix-style operating systems to compress files using [[Huffman coding]]. Files normally have a .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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{{DISPLAYTITLE:pack (Unix)}}'''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'''.
  
 
== See also ==
 
== See also ==
* [[compress]]: A compressed file format with a similar filename extension
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* [[compress (Unix)]]
 +
* [[compact (Unix)]]
  
 
== Identification ==
 
== Identification ==
Files begin with bytes <code>0x1F 0x1E</code>.
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Files begin with bytes {{magic|0x1F 0x1E}}.
  
The gzip source code mentions an "old pack format" that begins with <code>0x1F 0x1F</code>.
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The gzip source code mentions an "old pack format" that begins with {{magic|0x1F 0x1F}}.
  
 
== Software ==
 
== Software ==
* [http://www.gnu.org/software/gzip/ GNU gzip] can uncompress '''pack''' files.
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* [https://www.gnu.org/software/gzip/ GNU gzip] can uncompress '''pack''' files.
 
* https://github.com/koalaman/pack
 
* https://github.com/koalaman/pack
  

Revision as of 12:58, 29 February 2020

File Format
Name pack (Unix)
Ontology
Extension(s) .z

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.

Contents

See also

Identification

Files begin with bytes 0x1F 0x1E.

The gzip source code mentions an "old pack format" that begins with 0x1F 0x1F.

Software

References

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