Bzip2
From Just Solve the File Format Problem
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|mimetypes={{mimetype|application/x-bzip2}} | |mimetypes={{mimetype|application/x-bzip2}} | ||
|pronom={{PRONOM|x-fmt/268}} | |pronom={{PRONOM|x-fmt/268}} | ||
+ | |released=1997 | ||
}} | }} | ||
− | '''bzip2''' is a [[ | + | '''bzip2''' is a data compression algorithm and compressed file format. |
+ | |||
+ | == Identification == | ||
+ | Files begin with bytes <code>42 5A 68 ?? 31 41 59 26 53 59</code>. | ||
+ | |||
+ | Note that part of the signature is a [[Binary-coded decimal|BCD]] representation of the digits of π. | ||
+ | |||
+ | == Software == | ||
+ | * [http://bzip.org/ bzip2 and libbzip2] | ||
+ | * [[7-Zip]] | ||
+ | |||
+ | == Sample files == | ||
+ | * https://telparia.com/fileFormatSamples/archive/bz2/sm.tar.bz2 | ||
== See also == | == See also == | ||
+ | * [[Burrows–Wheeler transform]] | ||
+ | * [[bzip]] | ||
− | * [[Wikipedia: | + | == Links == |
+ | * [[Wikipedia:Bzip2|Wikipedia article]] | ||
+ | * [https://twitter.com/angealbertini/status/537704386080694274/photo/1 Chart of format details] | ||
+ | * [https://lwn.net/Articles/762264/ bzip.org changes hands] |
Revision as of 20:02, 26 July 2020
bzip2 is a data compression algorithm and compressed file format.
Contents |
Identification
Files begin with bytes 42 5A 68 ?? 31 41 59 26 53 59
.
Note that part of the signature is a BCD representation of the digits of π.