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Add link to 'File-system permissions' article. Replace presumed attempt at humour with more technical term. (If 'flock' is genuinely jargon specific to this technology, it should be properly introduced and explained rather than expecting the reader to infer its meaning and usage.) |
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{{Short description|File system for computers}}{{Distinguish||text=the [[Apple File System]], also abbreviated AFS}}
The '''Andrew File System''' ('''AFS''') is a [[distributed file system]] which uses a set of trusted servers to present a homogeneous, ___location-transparent file name space to all the client workstations. It was developed by [[Carnegie Mellon University]] as part of the [[Andrew Project]].<ref>[http://www.cmu.edu/corporate/news/2007/features/andrew/what_is_andrew.shtml What is Andrew] {{webarchive |url=https://web.archive.org/web/20110909232809/http://www.cmu.edu/corporate/news/2007/features/andrew/what_is_andrew.shtml |date=September 9, 2011 }} - part of CMU's official site chronicling the history of the [[Andrew Project]].</ref> Originally named "Vice",<ref name="garfinkel19890506">{{cite news | url=http://simson.net/clips/1989/1989.TechRev.Athena.pdf | title=Ripples Across the Academic Market | work=Technology Review | date=May–June 1989 | access-date=25 January 2016 | author=Garfinkel, Simson L. | author-link=Simson Garfinkel | pages=9–13 | archive-date=9 October 2022 | archive-url=https://ghostarchive.org/archive/20221009/http://simson.net/clips/1989/1989.TechRev.Athena.pdf | url-status=live }}</ref> "Andrew" refers to [[Andrew Carnegie]] and [[Andrew W. Mellon|Andrew Mellon]]. Its primary use is in [[distributed computing]].
== Features ==
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:allows a user to look at the contents of files in a directory and list files in subdirectories. Files that are to be granted read access to any user, including the owner, need to have the standard UNIX "owner read" permission set.
;Write (w)
:allows a user to modify files in a directory. Files that are to be granted write access to any user, including the owner, need to have the standard UNIX "owner write" [[File-system permissions|permission set]].
;Lock (k)
:allows the processor to run programs that need to
Additionally, AFS includes Application ACLs (A)-(H) which have no effect on access to files.
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