The issue with UNIX on PCs was the $1000 or whatever licensing cost. Just as some trivia, Novell bought UNIX System V R4 from AT&T and planned to merge it with

The issue with UNIX on PCs was the $1000 or whatever licensing cost. Just as some trivia, Novell bought UNIX System V R4 from AT&T and planned to merge it with Netware to create "SuperNOS", which would have been a direct competitor to NT. But they never got it out the door and spun-off UNIX to (old) SCO.