Tape Archive - Revision history

Anonymoususer852: Add link to Jörg Schilling's tar (star) in /* Specifications */. Add more examples and notes on those examples. Add information about tar having interesting metadata contained.

2025-07-29T17:03:01Z

Add link to Jörg Schilling's tar (star) in - ‎Specifications: . Add more examples and notes on those examples. Add information about tar having interesting metadata contained.

Polluks: /* Software */ XAD

2024-04-12T10:33:44Z

‎Software: XAD

Dexvertbot: /* Sample files */

2023-12-28T05:19:11Z

‎Sample files

MihaiPopa7: /* Compression */

2023-10-04T16:04:02Z

‎Compression

Jsummers: /* References */

2021-04-05T19:38:07Z

‎References

Thorsted: LOC FDD & Wikidata

2021-01-11T17:46:50Z

LOC FDD & Wikidata

Effect2: Compression by the (fairly obscure) Sunzip format

2020-09-07T09:05:35Z

Compression by the (fairly obscure) Sunzip format

Sembiance: /* Sample files */

2020-07-26T20:16:07Z

‎Sample files

Jsummers: Category:Backup

2020-07-03T18:02:22Z

Category:Backup

Polluks: /* Software */ Deark

2019-12-11T23:48:30Z

‎Software: Deark

@@ Line 11: / Line 11: @@
 :''This article is about the electronic archive format. For physical tape archives, see [[Magnetic tape]] or [[Punched tape]].''
-'''Tape Archive''' ('''tar''') is a traditional UNIX archive format, defined in POSIX.1-1988 and later POSIX.1-2001. Its original purpose was to archive files on backup tapes. Archived data in the tar format is sometimes referred to as a "tarball".
+'''Tape Archive''' ('''tar''') is a traditional UNIX archive format, defined in POSIX.1-1988 and later POSIX.1-2001. Its original purpose was to archive files on backup tapes. Archived data in the tar format is sometimes referred to as a "tarball". Tarballs generally also contains extra metadata, such as user/group name and their ID, along with timestamps.
 == Compression ==
@@ Line 49: / Line 49: @@
   tar tvzf example.tar.gz
 To extract a .tar.gz archive to the current directory:
@@ Line 54: / Line 57: @@
   tar xvzf example.tar.gz
-With some versions of tar, the "<code>z</code>" flag can be omitted when extracting or listing ("<code>tar xvf ...</code>").
+With some versions of tar, the "<code>z</code>" flag can be omitted when extracting or listing ("<code>tar xvf ...</code>"). With the same versions, notably newer GNU tar, it is not necessary to specify the compressor (e.g. gzip, bzip2, xz ...) flag, however it may throw a message instead of an error.
 To compress two files into a .tar.gz archive:
   tar cvzf example2.tar.gz inputfile1 inputfile2
 == Specifications ==
@@ Line 71: / Line 78: @@
 * [https://www.gnu.org/software/tar/ GNU Tar] · [https://www.gnu.org/software/tar/manual/ Documentation] · [https://savannah.gnu.org/projects/tar Development]
 * [https://www.libarchive.org libarchive / bsdtar]
 * [[7-Zip]]
 * {{Deark}}

@@ Line 73: / Line 73: @@
 * [[7-Zip]]
 * {{Deark}}
 == Sample files ==

@@ Line 76: / Line 76: @@
 == Sample files ==
 * https://github.com/mgorny/tar-test-inputs
-* https://telparia.com/fileFormatSamples/archive/tar/sm.tar
+* {{DexvertSamples|archive/tar}}
 == References ==

@@ Line 17: / Line 17: @@
 Files compressed this way should have a dual file extension such as .tar.gz or tar.bz2. Sometimes the .tgz extension is used in place of .tar.gz. Rarely, other shortened extensions are used:
-* .tbz instead of .tar.bz2 ([[bzip2]])
+* .tbz and .tbz2 instead of .tar.bz2 ([[bzip2]])
 * .txz instead of .tar.xz ([[XZ]])
 * .tlz instead of .tar.lz ([[Lzip]]) or .tar.lzma ([[LZMA Alone|LZMA_Alone]])

@@ Line 84: / Line 84: @@
 * [http://superuser.com/questions/234649/how-to-extract-a-tar-file-tgz-in-windows Discussion on extracting a .tgz file]
 * [https://dev.gentoo.org/~mgorny/articles/portability-of-tar-features.html Portability of tar features]
 [[Category:Backup]]

@@ Line 5: / Line 5: @@
 |mimetypes={{mimetype|application/x-tar}}
 |pronom={{PRONOM|x-fmt/265}}
 |released=1979
 }}

@@ Line 2: / Line 2: @@
 |formattype=electronic
 |subcat=Archiving
-|extensions={{ext|tar}}, {{ext|tgz}}, {{ext|tbz}}, {{ext|txz}}, {{ext|tlz}}, {{ext|taz}}, {{ext|tz}}
+|extensions={{ext|tar}}, {{ext|tgz}}, {{ext|tbz}}, {{ext|txz}}, {{ext|tlz}}, {{ext|tsz}}, {{ext|taz}}, {{ext|tz}}
 |mimetypes={{mimetype|application/x-tar}}
 |pronom={{PRONOM|x-fmt/265}}
@@ Line 18: / Line 18: @@
 * .txz instead of .tar.xz ([[XZ]])
 * .tlz instead of .tar.lz ([[Lzip]]) or .tar.lzma ([[LZMA Alone|LZMA_Alone]])
 * .taz instead of .tar.Z ([[compress]]) (or possibly some other compressed format)
 * .tz instead of .tar.Z ([[compress]]) (or possibly some other compressed format)

← Older revision		Revision as of 18:02, 3 July 2020
Line 80:		Line 80:
	* [http://superuser.com/questions/234649/how-to-extract-a-tar-file-tgz-in-windows Discussion on extracting a .tgz file]		* [http://superuser.com/questions/234649/how-to-extract-a-tar-file-tgz-in-windows Discussion on extracting a .tgz file]
	* [https://dev.gentoo.org/~mgorny/articles/portability-of-tar-features.html Portability of tar features]		* [https://dev.gentoo.org/~mgorny/articles/portability-of-tar-features.html Portability of tar features]
		+
		+	[[Category:Backup]]