I'm guessing the csh curriculum was just old. csh was developed as an improvement to sh (just like bash) that some circles coalesced around before everyone chos

I'm guessing the csh curriculum was just old. csh was developed as an improvement to sh (just like bash) that some circles coalesced around before everyone chose bash. I doubt it was that they saw everyone using today and said, fuck that, let's use csh. My company still does intro lessons with ksh because it's set as the default shell on all of our servers.