• SlurpingPus@lemmy.world
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    2 days ago

    Thanks for the writeup, I have trouble falling asleep on some days, and rereading it a couple times will definitely help.

    Anyway, not sure what SUS is, but MacOS was indeed certified as a Unix. They also keep tools and APIs compatibility with FreeBSD so stuff is portable between them, and not just for shits and giggles.

    • ilinamorato@lemmy.world
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      2 days ago

      Lol, nice.

      SUS is “Single Unix Specification” or “Single Unix System,” I can’t remember which (I think the former). It’s the name of the certification that MacOS actually has.

      I do have to say, I didn’t realize that they were close enough as to be co-portable. That’s really interesting.

      • SlurpingPus@lemmy.world
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        2 days ago

        Well, I don’t know the details about portability, but there are a couple of pages in their documentation where they straight up say they keep the tools updated, and the APIs are the same except <a list of maybe ten low-level differences> (which differences are in such areas of which I have never heard even with some rudimentary understanding of what Unix syscalls look like and what some parts of a kernel are).