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by nix23 1775 days ago
>XNU is based on Mach

Partially, XNU is Mach AND the FreeBSD-Kernel:

https://www.youtube.com/watch?v=-7GMHB3Plc8
1 comments
rjzzleep 1775 days ago
If you look at the source of a lot of drivers on MacOS a few years ago, they were heavily based on the FreeBSD drivers.
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nix23 1775 days ago
Yes sure they do, just look the presentation.
link