Absolutely. A TRS-80 running Microsoft Xenix was my first Unix-like, back in high school. 6-12 terminals full of students typing in COBOL from their coding form

Absolutely. A TRS-80 running Microsoft Xenix was my first Unix-like, back in high school. 6-12 terminals full of students typing in COBOL from their coding forms. It replaced an older Burroughs with a card punch. I thought I was learning some obscure Tandy environment. (I was a Commodore kid, looking down on the "Trash 80"). Little did I know I'd be using a version of vi and sh for the next 30 years.