Pack (Unix)
From Just Solve the File Format Problem
(Difference between revisions)
(Identification) |
(→References) |
||
Line 21: | Line 21: | ||
* [http://www.mkssoftware.com/docs/man1/pack.1.asp pack man page (MKS Toolkit)] | * [http://www.mkssoftware.com/docs/man1/pack.1.asp pack man page (MKS Toolkit)] | ||
* [http://publib.boulder.ibm.com/infocenter/zos/v1r13/index.jsp?topic=%2Fcom.ibm.zos.r13.bpxa500%2Fpack.htm pack man page (IBM)] | * [http://publib.boulder.ibm.com/infocenter/zos/v1r13/index.jsp?topic=%2Fcom.ibm.zos.r13.bpxa500%2Fpack.htm pack man page (IBM)] | ||
+ | * [http://www.vidarholen.net/contents/blog/?p=691 An ode to pack: gzip’s forgotten decompressor] |
Revision as of 11:57, 24 October 2017
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.
Contents |
See also
- compress: A compressed file format with a similar filename extension
Identification
Files begin with bytes 0x1F 0x1E
.
The gzip source code mentions an "old pack format" that begins with 0x1F 0x1F
.
Software
- GNU gzip can uncompress pack files.