[TUHS] UNIX on (not quite bare) System/370

[arnold at skeeve.com]

segaloco <segaloco at protonmail.com> wrote:

> Looooots of if(n)defs in userland on "u370" in PDP-11 System V code, zilch on 3.0.1.
>
> Yep, must've been 4.0, because that's in the first document, A.1.1:
> https://www.tuhs.org/Archive/Documentation/Manuals/Unix_4.0/Volume_1/A.1.1_Overview_and_Synopsis_of_Facilities.pdf
> 
> "Currently, UNIX runs on the Western Electric Co. 3B-20; Digital Equipment
> Corporation's (DEC) PDP-11/23, /34, /45, /70, VAX-11/780, and VAX-11/750;
> and IBM System/370 and equivalent."

So there we have it, Unix/370 inside the Bell System was at 4.0.  I don't think they ever released that
outside the Bell System. Not surprising, as it needed a modified TSS underneath.

Arnold