this post was submitted on 14 Sep 2024
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    Fish Linux (sh.itjust.works)
    submitted 2 months ago* (last edited 2 months ago) by 0x4E4F@sh.itjust.works to c/linuxmemes@lemmy.world
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    [–] wildbus8979@sh.itjust.works 45 points 2 months ago (1 children)

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

    [–] AllNewTypeFace@leminal.space 12 points 2 months 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).

    [–] wildbus8979@sh.itjust.works 9 points 2 months 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.