[Aloha]

Or System 7 Unix, runs fine on a 16 bit processor, has proven history being easy to port, is a fully functional operating system, and would be pretty easy to retrofit some sort of networking to.

[unixhero → Aloha]

There are millions of millions of x86 computers and free software to run on them from any era. That should suffice for a collapsian civilization. Unless it's full on Mad Max post apocalyptic we're talking about.

[Aloha → unixhero]

Including Unix System 7, its been ported.

Though I suspect your right, PC DOS is very powerful, and allows you to do a bunch of stuff.

[icedchai → Aloha]

You're probably talking about Unix version 7: https://en.wikipedia.org/wiki/Version_7_Unix

You really want to go back 40 years to the dumb terminal era?

[Aloha → icedchai]

If I'm running it on a 16-bit system, yes. I can built a teletype in a capable machinist shop.

[AtlasBarfed → Aloha]

But the NeXT UI was (IMO) the best UI of that stage of processing power.