That was Ultrix-11 3.1, which I believe was the final version.  Full source is available on tuhs.org.

-Henry

On 20 May 2017 at 16:40, Johnny Billquist <bqt@update.uu.se> wrote:
On 2017-05-20 19:39, Henry Bent wrote:
There is absolutely TCP/IP in Ultrix-11.  This is an emulated 11/23+:

Cool. But obviously not the version the SPD was for then. Which version of Ultrix-11?


        Johnny

--
Johnny Billquist                  || "I'm on a bus
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