The information system (class registration, bursar, etc) could be accessed via a TUI over telnet/ssh. It was amazingly fast, and all the older professors could move around that thing fast as hell, since all the shortcuts were in muscle memory. Force-adding a student to a class could literally take <5s if they had all the numbers.
Students could use it, too. And those of us who knew about it would do so, since it was so much better.
Then the web frontend came out…