[TUHS] Government-Issue UNIX?

[Tom Perrine via TUHS]

I have what should be the "final" source tree for KSOS - as it existed when
the Logicon work finished. I will dig it up.

What I'm missing is the toolchain - Modula compiler, etc. I don't think I
have the VaX KSOS032, but I will look.

I will dig it up after my vacation ends in 10 days or so.

--tep (Tom Perrine)

On Thu, Oct 9, 2025 at 6:05 PM Wesley Parish via TUHS <tuhs at tuhs.org> wrote:

> 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
>