[Mycroft Holmes]

NeXT OS was sweet, and technically should have won. Sigh.

[Uri’el-2012]

NeXT OS was sweet, and technically should have won. Sigh.

It may still win as OS X.

[MarkL]

NeXT OS was sweet, and technically should have won. Sigh.

IIRC, much of NeXT/OS wound up in the modern Mac OS. Aren't both based on CMU's MACH?

As an aside, back in the Windows 3 days, I switched my shell to this NeXTStep (looking) clone, and my Windows desktop looked a lot like it was running on a NeXT.

Mark