TMPDIR: Difference between revisions
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'''TMPDIR''' is the [[Canonical#Computer_science|canonical]] [[Unix]] [[environment variable]] that |
'''TMPDIR''' is the [[Canonical#Computer_science|canonical]] [[Unix]] [[environment variable]] that should be used to specify a [[Temporary folder|temporary directory]] for [[scratch space]]. Most [[Unix]] programs will honor this setting and use its value to denote the scratch area for temporary files instead of the common default of <tt>/tmp</tt><ref>{{Cite web| url = http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap10.html#tag_10_01 | title = The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008, Base Definitions volume: Directory Structure and Files: /tmp | publisher = [[Open Group|The Open Group]] | accessdate = 2011-04-02}}</ref><ref>{{Cite web| url = http://www.pathname.com/fhs/pub/fhs-2.3.html#TMPTEMPORARYFILES | title = Filesystem Hierarchy Standard, version is 2.3: /tmp: Temporary files | publisher = [[Linux Foundation]] | accessdate = 2010-06-13}}</ref> or <tt>/var/tmp</tt><ref>{{Cite web| url = http://www.pathname.com/fhs/pub/fhs-2.3.html#VARTMPTEMPORARYFILESPRESERVEDBETWEE | title = Filesystem Hierarchy Standard, version is 2.3: /var/tmp: Temporary files preserved between system reboots | publisher = [[Linux Foundation]] | accessdate = 2010-06-13}}</ref>. |
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Other forms sometimes accepted are <tt>TEMP</tt>, <tt>TEMPDIR</tt> |
Other forms sometimes accepted are <tt>TEMP</tt>, <tt>TEMPDIR</tt> and <tt>TMP</tt>, but these alternatives are used more commonly by non-[[POSIX]] [[operating system]]s or non-conformant programs. |
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<tt>TMPDIR</tt> is specified in various [[Unix]] and similar standards, e.g. per the [[Single UNIX Specification]].<ref>{{Cite web| url = http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03 | title = The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008, Base Definitions volume: Environment Variables: Other Environment Variables: TMPDIR | publisher = [[Open Group|The Open Group]] | accessdate = 2011-04-02}}</ref> |
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==References== |
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{{Unix-stub}} |
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[[Category:Computer file systems]] |
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[[Category:Unix]] |
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[[Category:Variable (computer programming)]] |
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Revision as of 06:58, 3 April 2011
 | This article needs additional citations for verification. (December 2009) |
TMPDIR is the canonical Unix environment variable that should be used to specify a temporary directory for scratch space. Most Unix programs will honor this setting and use its value to denote the scratch area for temporary files instead of the common default of /tmp[1][2] or /var/tmp[3].
Other forms sometimes accepted are TEMP, TEMPDIR and TMP, but these alternatives are used more commonly by non-POSIX operating systems or non-conformant programs.
TMPDIR is specified in various Unix and similar standards, e.g. per the Single UNIX Specification.[4]
References
- ^ "The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008, Base Definitions volume: Directory Structure and Files: /tmp". The Open Group. Retrieved 2011-04-02.
- ^ "Filesystem Hierarchy Standard, version is 2.3: /tmp: Temporary files". Linux Foundation. Retrieved 2010-06-13.
- ^ "Filesystem Hierarchy Standard, version is 2.3: /var/tmp: Temporary files preserved between system reboots". Linux Foundation. Retrieved 2010-06-13.
- ^ "The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008, Base Definitions volume: Environment Variables: Other Environment Variables: TMPDIR". The Open Group. Retrieved 2011-04-02.
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