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

[Larry McVoy]

On Mon, May 02, 2022 at 06:14:54AM -0700, tytso wrote:
> On Sun, May 01, 2022 at 10:42:03PM -0400, Phil Budne wrote:
> > There was also a (pretty clean, ISTR) port of 4.3 BSD to the RT called
> > "ACIS", but it might only have been available to academic sites.
> 
> At least in the 80's, there was a BSD 4.3 port for the IBM PC/RT's
> that was called "AOS", for "Academic Operating System".  

I'm pretty sure it was UW-Madison that did the NFS port to 4.3, I was a
grad student there at the time and remember hearing about it.  The RT's
were pretty nice machines for the time.