[TUHS] Unix with TCP/IP for small PDP-11s

Warner Losh imp at bsdimp.com
Sat May 20 10:15:19 AEST 2017


There's a copy of ultrix-11, which is v7 based with some 4.1BSD additions,
including sockets and a TCP/IP stack. Don't know if it runs on the smaller
PDP-11, but it looks like it might. The sources are in the TUHS archives.
Seems like the best low-end v7ish kernel with TCP/IP around, but I've not
used it extensively.

Warner

On Fri, May 19, 2017 at 1:04 PM, Ron Natalie <ron at ronnatalie.com> wrote:

> To my knowledge no.   We had already gone to code overlays on the 11/34’s
> just to get the pre-TCP unix working.    When we needed yet another segment
> to map mbufs (which we could do on the 11/70), there just weren’t any
> left.      It was then that I scarfed up all the 11/23, 24, 34’s that were
> available and turned them into routers.
>
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