Interestingly unix derivatives are now some of the most popular operating systems for modern devices, as iOS, Mac OS, and Android are unix/linux based.
OS/X, iOS, and android have very much taken unix/linux to the masses. They took somewhat of a roundabout way to get there, but they're doing a pretty good job as it turns out.
Most popular Unix-like OS on consumer devices is Linux (Android).
Most popular Unix-like OS on servers is Linux.
Most popular Unix-like OS in embedded is Linux.
Most popular Unix-like OS on supercomputers is Linux.
Most popular Unix-like OS on IBM PC compatible computers or notebooks is MS Windows with WSL.
And the funny thing is that everyone does use Unix. Everyone with a smartphone does as both iOS and Android are derivatives of Unix-OSes (Darwin and Linux). Only Fuchsia will be truly non Unix. If it ever makes it out the door.
However those mobile OSes (or ChromeOS) are of course not what we're talking about when we say we love Unix. The same will happen if Linux ever makes it mainstream. Consumers might love it but we won't. I'm happy for it to stay a niche thing. My niche.
Looking to who's rulling desktop and mobile OSes, doesn't seem like UNIX did win.
Yes there is a UNIX under macOS, and some POSIX under iOS/iPadOS/watchOS, Android, which hardly matters to userspace frameworks and official programming stacks.
And naturally Windows is a kind of VMS reboot in spirit.
UNIX only won on the server room, and even that seems to start to be irrelevant in the age of cloud computing and OS abstraction infrastructure.
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