Pretty cool to get hosted access to Interlisp-10 on a Dec-10. A bit of boring personal history: I think that it was in the late 1970s that I very randomly got access to Lisp on my company's Dec-10. I had been using Pegasys Lisp on my Apple II so Lisp languages were already ‘imprinted’ on my brain. I started teaching a lunchtime class in Lisp at work, and that ended up opening up a lifetime of professional opportunities.

BTW, there is a pretty good InterLisp-D port for macOS that is fun to play with.

I maybe only one here who really used TTY editor on ASR-33. Paper and ink ribbon were expensive in poor country of Finland, so you tried to use PP only once and mark the edits with pen. Eventually the paper become too messy and then you had to prettyprint again.