this post was submitted on 14 Sep 2024
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submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/linuxmemes
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[–] eatstorming 18 points 3 weeks ago (2 children)

Also, macOS is derived from FreeBSD.

[–] [email protected] 45 points 3 weeks ago (1 children)

It's derived from BSD 4.3, which predates and is one of the ancestors of FreeBSD

[–] [email protected] 12 points 3 weeks ago (1 children)

Parts of it are. The kernel is derived from a Mach microkernel (an experimental kernel in the 80s, which was theoretically supposed to allow different OS personalities to coexist in the same system, sharing resources; macOS’ Darwin/XNU kernel doesn’t implement this capability in full, but you do get the Mach Ports interprocess communication mechanism, and a BSD UNIX personality permanently attached).

[–] [email protected] 9 points 3 weeks ago

Yes, and the FreeBSD kernel is also derived from it, but they both formed out of that. One to form NeXT mach and the other Net, which forked to NetBSD and FreeBSD. But macOS Mach isn't derived from the FreeBSD fork.

[–] [email protected] 14 points 3 weeks ago (1 children)

It's also the only desktop OS that's actually Unix. MacOS gets official Unix certification with every major release. All other "Unixy" OSes are just "Unix-like".

[–] [email protected] 8 points 3 weeks ago

Meh. It's a nice bragging right, but that's all it is at this point. Linux killed off almost all the old Unix vendors for a reason.