Congrats. I got this manual some years ago. Yes, it contains some
references to commands used apparently to manage the use of phone and comm
services by users of, I assume, AT&T services.

Nice day,
Sergio

El vie, 2 dic 2022 6:04, segaloco via TUHS <tuhs@tuhs.org> escribió:

> Exciting development in the process of finding lost documentation, just
> sealed this one on eBay:
> https://www.ebay.com/itm/385266550881?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=abbj5srltbk&sssrc=2047675&ssuid=&widget_ver=artemis&media=COPY
>
> After the link is a (now closed) auction for a Western Electric 3B20S UNIX
> User's Manual Release 4.1, something I thought I'd never see and wasn't
> sure actually exited: print manuals for 4.x.
>
> Once received I'll be curious to see what differences are obvious between
> this and the 3.0 manual, and this should be easy to scan given the comb
> binding.  What a nice cover too!  I always expected if a 4.x manual of some
> kind popped up it would feature the falling blocks motif of the two starter
> package sets of technical reports, but the picture of a 3B20S is nice.  How
> auspicious given the recent discussion on the 3B series.  I'm particularly
> curious to see what makes it specifically a 3B20S manual, if that's
> referring to it only having commands relevant to that one or omitting any
> commands/info specific to DEC machines.
>
> Either way, exciting times, this is one of those things that I had
> originally set out to even verify existed when I first started really
> studying the history of UNIX documentation, so it's vindicating to have
> found something floating around out there in the wild.  Between this and
> the 4.0 docs we now should have a much clearer picture of that gulf between
> III and V.
>
> More to come once I receive it!
>
> - Matt G.
>