this post was submitted on 15 Mar 2026
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[–] undefined@lemmy.hogru.ch 25 points 1 day ago* (last edited 1 day ago) (1 children)

There’s a big difference between UNIX and Linux, and BSD can be very different from even other UNIX distributions. I believe macOS’ userland (definitely not the kernel) is based on FreeBSD 4.2.

[–] pivot_root@lemmy.world 3 points 1 day ago (1 children)

The Darwin kernel is based on BSD... sort of. It's a monstrosity hybridization of an ancient version of BSD and the Mach kernel.

[–] vk6flab@lemmy.radio 1 points 15 hours ago

Given the history of A/UX, I'd be surprised if System V didn't have an oar in the water too.