[TUHS] Another Unix Archive addition: KSOS

[durtal via TUHS]

Outstanding generousity.


R




On Sun, 28 Jun 2026, Warren Toomey via TUHS wrote:

> Date: Sun, 28 Jun 2026 09:56:57 +1000
> From: Warren Toomey via TUHS <tuhs at tuhs.org>
> Reply-To: Warren Toomey <wkt at tuhs.org>
> To: tuhs at tuhs.org
> Subject: [TUHS] Another Unix Archive addition: KSOS
> 
> We have added a new system to the Unix Archive: KSOS
>
> https://www.tuhs.org/Archive/Distributions/Other/KSOS/
>
> KSOS was the U.S. Department of Defense (DoD) Kernelized Secure Operating
> System (KSOS, formerly called Secure UNIX). KSOS is intended to provide
> a provably secure operating system for larger minicomputers.
>
> Thanks to Tom Perrine who had the tarball and sent it to John O Goyo,
> to John O Goyo who sent it in to TUHS and to Thalia Archibald who
> curated it and put it into the Unix Archive.
>
> Cheers, Warren
>

durtal at sdf.org
SDF Public Access UNIX System - https://sdf.org