[TUHS] BSD/v8 TCP/IP (was Shell control through external commands)

Cory Smelosky b4 at gewt.net
Mon Sep 12 15:38:27 AEST 2016

Do any copies of 8th Edition exist anywhere? ;)

That's one way to check!

Sent from my iPhone

> On Sep 11, 2016, at 22:24, Warner Losh <imp at bsdimp.com> wrote:
>> On Sun, Sep 11, 2016 at 10:44 PM, Greg 'groggy' Lehey <grog at lemis.com> wrote:
>>> On Sunday, 11 September 2016 at 21:31:10 -0400, Norman Wilson wrote:
>>> -- Adopt 4.1c BSD kernel
>>> ...
>>> I don't think the BSD kernel when adopted had much, if any,
>>> of sockets, Berkeley's TCP/IP, McKusick's FFS; if it did,
>>> they were excised.
>>> ...
>>> TCP/IP support didn't show up until later, I think summer 1985,
>>> though it might have been a year later.
>> I'm confused.  4.1c has gone down in history as the first version with
>> Internet code, and looking at the sources (from mckusick's CD set), I
>> see the network files in /sys/netinet with names very reminiscent of
>> current FreeBSD file names.  The files have timestamps between
>> November 1982 and May 1983.  Why should they have been removed?  I
>> would have thought that exactly this functionality would have been the
>> reason why you adopted 4.1c.
>> Similarly, it also included FFS and (not surprisingly sockets.
>> I checked further back, but unfortunately the previous version on the
>> CDs is 4.1a, and it has no kernel code.
> I don't think they are talking about BSD4.1a having these things, but
> rather Research Unix Edition 8 having these things. Bell labs didn't
> integrate them until later. I recall reading articles at the time (1983
> or 1984) that they had their own notion of what networking to use
> that wasn't TCP/IP due to some perceived failings of TCP/IP that
> they fixed with their stuff. I recall that I read it in the library in
> high school.  Wish I'd forgotten that and recalled what the network
> protocol was they implemented instead...
> Warner
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