Windows has ACLs and they are an important part of Windows administration, and used extensively for managing file permissions.
Windows has supported ACLs on NTFS since Windows NT & NTFS were released in 1993 (possibly partly influenced by AIX ACLs in the late 80s influenced by VMS ACLs introduced the early 80s).
ACLs were not introduced to standard POSIX until c.1998, and NFS and Linux filesystems didn’t get them until 2003. In fact, the design of the NFSv4 ACL standard was heavily influenced by the design of NTFS/Windows ACL model – a specific decision by the designers to model it more like NTFS rather than AIX/POSIX.
Technically, at the filesystem level, exFAT also provides support for ACLs, but I am not sure if any implementation actually makes use of this feature (not even Windows AFAIK, certainly not any desktop version).
Damn, giving me flashbacks of slowly moving through ACLs then hitting domain groups, domain local groups, global groups, then eventually universal groups as AD moved forward in complex situations.
Yes. Some filesystems straight up do not support ACL of any kind (eg: fat32)
Fat32 doesn’t support regular file permissions either, right? I was under the impression that it was permissionless.
You are entirely correct, it has no permission system to speak of
I’ll speak of it anyway: There’s a “Read-only” bit on every file/directory and The User (there’s only one!) can change it for any of them at any time.
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Sorry, but this is completely wrong.
Windows has ACLs and they are an important part of Windows administration, and used extensively for managing file permissions.
Windows has supported ACLs on NTFS since Windows NT & NTFS were released in 1993 (
possibly partly influenced by AIX ACLs in the late 80sinfluenced by VMS ACLs introduced the early 80s).ACLs were not introduced to standard POSIX until c.1998, and NFS and Linux filesystems didn’t get them until 2003. In fact, the design of the NFSv4 ACL standard was heavily influenced by the design of NTFS/Windows ACL model – a specific decision by the designers to model it more like NTFS rather than AIX/POSIX.
Technically, at the filesystem level, exFAT also provides support for ACLs, but I am not sure if any implementation actually makes use of this feature (not even Windows AFAIK, certainly not any desktop version).
Damn, giving me flashbacks of slowly moving through ACLs then hitting domain groups, domain local groups, global groups, then eventually universal groups as AD moved forward in complex situations.
Got to admit it worked well though.
Bruh, Windows has had ACLs for decades. Before Linux, even. What are you smoking?
I wouldn’t be surprised if the NTFS driver for Linux doesn’t support ACLs though.