[TUHS] Government-Issue UNIX?

[Wesley Parish via TUHS]

And the question that keeps recurring to my mind, is, what happened to 
the source trees of these "exotic beasts" in the Unix menagerie? Any 
chance they'd be freed any time soon?

Wesley Parish

On 10/10/2025 00:57, Douglas McIlroy via TUHS wrote:
> When Jim Reeds and I were making the IX multilevel-secure Unix
> (1987-88), an Orange-Book-compliant Unix was being made for the
> government at BTL's Whippany Lab. There was some communication between
> the two projects, but different objectives led to significantly
> different systems.
>
> Did the Whippany product become KSOS, or did DOD end up with two
> "secure" Unixes?
>
> Doug