There are X server implementations for Windows, Android, AmigaOS, Windows CE!!, etc... I don't think this is relevant.
> macOS has a POSIX layer.
So do many systems, again including Windows in varying forms through the years. I think the salient issue is that BSD UNIX and "tradition" are conflicting. The point of the original CMU Mach project was to replace the BSD monolith kernel.
There are X server implementations for Windows, Android, AmigaOS, Windows CE!!, etc... I don't think this is relevant.
> macOS has a POSIX layer. So do many systems, again including Windows in varying forms through the years. I think the salient issue is that BSD UNIX and "tradition" are conflicting. The point of the original CMU Mach project was to replace the BSD monolith kernel.