Earlier quoted context omitted.
I love how you use 3 acronyms to describe the first acronym. It's acronyms all the way down!
SVR4: UNIX System V Release 4 https://en.m.wikipedia.org/wiki/UNIX_System_V UNIX: Actually Unix. Not an acronym. https://en.m.wikipedia.org/wiki/Unix
Sorta.
"In 1970, the group coined the name Unics for Uniplexed Information and Computing Service (pronounced "eunuchs"), as a pun on Multics, which stood for Multiplexed Information and Computer Services."