Eric Smith eric at
Sat Apr 23 15:19:41 CDT 2005

James Fogg wrote:
> Anybody ever hear of an OS called Theos that ran on the original IBM PC?
> Said to be *nix/CPM-ish but is neither? A friend has an old 5150 with
> this installed on the HD. He wants to copy it off and preserve it.

Isn't that the OS that was originally called Oasis?  I've never used
it, but it used to be available on Z-80 systems from The Digital Group
(and other vendors, I'm sure.)

Looks like they're still in business selling a 32-bit version:


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