Great post. Hadn't heard of JOSS - enjoyed reading the Wikipedia article.

> The terminals used green ink for user input and black for the computer's response. Any command that was not understood elicited the response Eh? or SORRY.

So cool. Would be cool to have the same font/coloring output as that page in the wikipedia article.

> Web 'timesharing' system

This would be cool too. I'd love some interactive demo as to how this worked.

> In order to support multiple user programs, the PDP-6 hardware was modified to examine bit-20 of any address reference. If this bit was set, the address was in "user space" and was modified so that address zero pointed to the base address of that user.

Interesting!

Mik is cool because of Zig.