this post was submitted on 05 Oct 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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VMS implemented ACLs in the early 80s. It's design influenced the design of ACLs in both AIX and Windows NT.
Yeah, I'm familiar with VMS, and Cutler bringing a lot of the internal design to W/NT. (I'm told in particular a lot of the data structures for system calls in NT look like VMS.) My AIX experience has consisted entirely of "This is weird. This isn't normal for Unix." Ha ha. (I had a 1st gen RS/6000 at home briefly in the late 90s.)
And I do have a "grey wall" in my library: