"Universities in the early 90s had networked X services everywhere." Some universities did. Mine had computer labs with non-networked PC's running DOS and a s

"Universities in the early 90s had networked X services everywhere." Some universities did. Mine had computer labs with non-networked PC's running DOS and a single machine with a printer attached that you lined up for so you could take your turn to print. But to be fair it was a liberal arts school with no computer sciences or engineering program.