[TUHS] If not Linux, then what?

[Arthur Krewat]

https://linux.slashdot.org/story/19/08/26/0051234/celebrating-the-28th-anniversary-of-the-linux-kernel

Leaving licensing and copyright issues out of this mental exercise, what 
would we have now if it wasn't for Linux? Not what you'd WANT it to be, 
although that can add to the discussion, but what WOULD it be?

I'm not asking as a proponent of Linux. If anything, I was dragged 
kicking and screaming into the current day and have begrudgingly ceded 
my server space to Linux.

But if not for Linux, would it be BSD? A System V variant? Or (the 
horror) Windows NT?

I do understand that this has been discussed on the list before. I 
think, however, it would make a good late-summer exercise. Or late 
winter depending on where you are :)

art k.