There is even an interview of Bill Gates where he talks about UNIX as the future of computing, naturally with Xenix, how things turn around.
Xenix was my introduction to UNIX.
"The Future of Xenix"
https://archive.org/details/Unix_World_Vol02_10.pdf/page/n21...
Also relevant quote that I think about when this subject comes up:
“If Microsoft ever does applications for Linux it means I've won.” ~Linus Torvalds
In this case, an entire freaking distro.