alt Hacker News> is. Or why being "certified UNIX" is generally meaningless: see the BSDs, which are much closer to "UNIX" origins than macOS will ever be
MacOS is BSD over Mach, which is itself derived from BSD.
> is. Or why being "certified UNIX" is generally meaningless: see the BSDs, which are much closer to "UNIX" origins than macOS will ever be
MacOS is BSD over Mach, which is itself derived from BSD.
Yes, that's the point. It's further removed from UNIX than the BSDs are.
macOS contains BSD userland, networking, file system, POSIX, and a couple of other things. But XNU, the kernel, is "X is Not UNIX", if there ever was a statement to be made about the underpinnings of macOS.
https://developer.apple.com/library/archive/documentation/Da...