There's a ton of material you can read up on at https://interlisp.org.

We're still looking for helpers. https://github.com/Interlisp

It's beyond awesome to be able to interact with this. That said I constantly get disconnected :)

Also, it's been long since I've used (df ... )

Lastly, funny how much it resembles naked linux with i3

Looks like the link is being hugged.

just get a login screen

Use guest

I was allowed to play with a 1980-like shell for like 1 minute. Is there something else I can do?

There's a lot--pretty much a whole OS worth of stuff--but it uses affordances and metaphors that won't be familiar, and it might be a little hard to explore as long as it keeps disconnecting so often.

To be fair, the login screen does warn that it's early days and things might not be ready for prime time.

Things are fairly solid if you install on your own machine... online wasn't stress tested for the kind of load a 'top hacker news' would attract.