How cool is that:
https://nickjanetakis.com/blog/run-the-first-edition-of-unix-1972-with-docker
That's the first time I've seen a such an old operating system in
action.
(A guy on reddit mentions that you don't need docker for this because
it's a PDP-11 emulator anyway. Full ack.)
It's also not a complete system, it seems. C compiler doesn't work.
Still, fun to play with. :-)