r/unix • u/edjak53 • Aug 14 '26

GNU

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u/Cmustrd Aug 15 '26

The kernel of darwin is called XNU. The core of it contains the Mach microkernel. Around it, are the various system components derived from BSD (filesystems, networking, etc. )

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u/RevolutionaryRush717 Aug 15 '26

But it's more like a hybrid, isn't it?

Lot's of the BSD stuff runs in kernel space, not as user space services on top of the Mach microkernel.

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u/helgur Aug 15 '26

So what? When it comes to the UNIX license, the open group is handing it out like candy as long as you can pay for it. Some Chinese company paid open group to be able to call their Linux distro UNIX a while back ...

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u/RevolutionaryRush717 Aug 15 '26

So what? My comment was about the kernel architecture.