Unix Considered Harmful

To quote someone, "Unix kicked OS research back for 10 years, Linux, for 30".

It's a joke, but only partly a joke.

Related: List of UNIX alternatives with desirable capabilities

https://pastebin.com/BQh3e1ug

I don't think it's necessarily a shame that operating systems are so homogeneous nowadays. There's always plan9 and TempleOS and it's easier than ever to develop an operating system for yourself.