Cpio
From Just Solve the File Format Problem
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'''cpio''' is a non-compressed file archive format for [[Unix]]-style systems. It was originally intended for tape archiving, similar to the [[Tape Archive]] (tar) format. | '''cpio''' is a non-compressed file archive format for [[Unix]]-style systems. It was originally intended for tape archiving, similar to the [[Tape Archive]] (tar) format. | ||
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== Software == | == Software == | ||
* [http://www.gnu.org/software/cpio/cpio.html GNU cpio] | * [http://www.gnu.org/software/cpio/cpio.html GNU cpio] | ||
| − | * [http://www.libarchive.org | + | * [http://www.libarchive.org libarchive / bsdcpio] |
* [http://gnuwin32.sourceforge.net/packages/cpio.htm cpio for Windows] | * [http://gnuwin32.sourceforge.net/packages/cpio.htm cpio for Windows] | ||
* [[7-Zip]] | * [[7-Zip]] | ||
* [[afio]] | * [[afio]] | ||
| + | * [[Konvertor]] | ||
| + | * {{Deark}} | ||
== Sample files == | == Sample files == | ||
* http://ftp.gnu.org/gnu/tar/tar-1.27.cpio.gz | * http://ftp.gnu.org/gnu/tar/tar-1.27.cpio.gz | ||
| + | * {{DexvertSamples|archive/cpio}} | ||
| + | * [https://www.clamav.net/downloads ClamAV Download] → [https://www.clamav.net/downloads/production/clamav-0.103.8.tar.gz 0.103.8 Source] → test/.split → split.clam.*.cpio?? | ||
== Other links == | == Other links == | ||
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* [http://www.gnu.org/software/cpio/manual/index.html GNU cpio manual] | * [http://www.gnu.org/software/cpio/manual/index.html GNU cpio manual] | ||
* [http://rightsock.com/~kjw/Ramblings/tar_v_cpio.html tar vs. cpio] | * [http://rightsock.com/~kjw/Ramblings/tar_v_cpio.html tar vs. cpio] | ||
| + | * [https://web.archive.org/web/20190809160054/http://www.forensicswiki.org/wiki/Cpio ForensicsWiki entry] (no useful detail) | ||
Latest revision as of 02:55, 28 December 2023
cpio is a non-compressed file archive format for Unix-style systems. It was originally intended for tape archiving, similar to the Tape Archive (tar) format.
Contents |
[edit] Examples
To extract files, using the command line utility:
$ cpio -idmv -I example.cpio
To list files:
$ cpio -it -I example.cpio
[edit] Identification
A cpio archive begins with one of the following signatures:
-
0x71 0xC7 -
0xC7 0x71 -
'0' '7' '0' '7'
Be aware that there are afio extensions to cpio format that are not supported by most cpio utilities. For one thing, if most of the filenames end in ".z", it's probably a compressed afio archive.
[edit] Specifications
[edit] Software
[edit] Sample files
- http://ftp.gnu.org/gnu/tar/tar-1.27.cpio.gz
- dexvert samples — archive/cpio
- ClamAV Download → 0.103.8 Source → test/.split → split.clam.*.cpio??
[edit] Other links
- Wikipedia article
- cpio utility man page
- GNU cpio manual
- tar vs. cpio
- ForensicsWiki entry (no useful detail)
