Editing Access-control list (section)

==== POSIX ACL ====
[[POSIX]] 1003.1e/1003.2c working group made an effort to standardize ACLs, resulting in what is now known as "POSIX.1e ACL" or simply "POSIX ACL".<ref>{{cite web |last1=Grünbacher |first1=Andreas |title=POSIX Access Control Lists on Linux |url=https://www.usenix.org/legacy/publications/library/proceedings/usenix03/tech/freenix03/full_papers/gruenbacher/gruenbacher_html/main.html |website=Usenix |access-date=12 December 2019}}</ref> The POSIX.1e/POSIX.2c drafts were withdrawn in 1997 due to participants losing interest for funding the project and turning to more powerful alternatives such as NFSv4 ACL.<ref>{{cite web |last1=wurtzkurdle |title=Why was POSIX.1e withdrawn? |url=https://unix.stackexchange.com/a/506641 |website=Unix StackExchange |access-date=12 December 2019}}</ref> {{As of|2019|12}}, no live sources of the draft could be found on the Internet, but it can still be found in the [[Internet Archive]].<ref>{{cite web |last1=Trümper |first1=Winfried |title=Summary about Posix.1e |url=https://wt.xpilot.org/publications/posix.1e/ |archive-url=https://web.archive.org/web/20080723061358/https://wt.xpilot.org/publications/posix.1e/ |archive-date=2008-07-23 |date=February 28, 1999}}</ref>

Most of the Unix and Unix-like operating systems (e.g. [[Linux]] since 2.5.46 or November 2002,<ref>{{cite web |url= https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/3/html/Release_Notes/as-x86/index.html 
|title= Red Hat Enterprise Linux AS 3 Release Notes (x86 Edition) |quote= EA (Extended Attributes) and ACL (Access Control Lists) functionality is now available for ext3 file systems. In addition, ACL functionality is available for NFS. |year= 2003 |publisher= [[Red Hat]] |access-date= 2013-04-08 |archive-url=https://web.archive.org/web/20131202221514/https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/3/html/Release_Notes/as-x86/index.html |archive-date=2013-12-02 |url-status=dead}}</ref> [[FreeBSD]], or Solaris) support POSIX.1e ACLs (not necessarily draft&nbsp;17). ACLs are usually stored in the extended attributes of a file on these systems.