[TUHS] First Unix-like OSes not derived from AT&T code?

[Jim Carpenter]

On Sun, May 1, 2022 at 4:59 PM Michael Huff <mphuff at gmail.com> wrote:
>
> I realize this doesn't help but there's an old story about dmr being asked in the early or mid 80's to look at a clone which he checked for specific bugs he was aware of (but apparently no one else was). It turned out to be clean. I don't remember the details but that might be a good starting point?

This is the Mark Williams Coherent story that Rob Pike just posted
about. At least I've always read that it was DMR checking out
Coherent.

Jim