[TUHS] Government-Issue UNIX?

[Ron Natalie via TUHS]

There was also an IBM secure XENIX.   I did some kernel work on it back 
in the day (long about 1989).


------ Original Message ------
>From "Jon Forrest via TUHS" <tuhs at tuhs.org>
To tuhs at tuhs.org
Date 10/9/2025 10:35:55 AM
Subject [TUHS] Re: Government-Issue UNIX?

>
>
>On 10/9/25 4:57 AM, Douglas McIlroy via TUHS wrote:
>
>>Did the Whippany product become KSOS, or did DOD end up with two
>>"secure" Unixes?
>
>KSOS was made from scratch at Ford Aerospace in the late
>1970s. I was in the group that did it, although I didn't
>work on it because I didn't have a security clearance.
>
>Jon
>