From: arnold@skeeve.com
To: tuhs@tuhs.org, doug@cs.dartmouth.edu
Subject: Re: [TUHS] dmr streams & networking [was: Re: If not Linux, then what?]
Date: Wed, 28 Aug 2019 12:49:30 -0600 [thread overview]
Message-ID: <201908281849.x7SInUE1024803@freefriends.org> (raw)
In-Reply-To: <201908281841.x7SIfQS7053036@tahoe.cs.Dartmouth.EDU>
Doug McIlroy <doug@cs.dartmouth.edu> wrote:
> > Doug McIlroy <doug@cs.dartmouth.edu> wrote:
> >
> >>
> >>> How long was research running on a PDP-11 and when did they move to a VAX?
> >>
> >> London and Reiser had ported Unix to the VAX, replete with virtual memory, in 1978. By the time v7 was released (1979), Vaxen had become the workhorse machines in Research.
> >>
> >> Doug
> >
> > So, what's the story on why the London/Reiser port didn't get adapted
> > back by Research, and they ended up starting from 4.1 BSD?
> >
> > Thanks,
> >
> > Arnold
>
> Sorry, what I said about London/Reiser is true, but not the whole
> story. L/R didn't have demand paging; BSD did.
But my question still stands. Why didn't Research keep going from L/R
and add demand paging? Wouldn't that have been "cleaner" than starting
from BSD?
Thanks,
Arnold
next prev parent reply other threads:[~2019-08-28 18:49 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-28 18:41 Doug McIlroy
2019-08-28 18:49 ` arnold [this message]
2019-08-28 19:03 ` Chet Ramey
2019-08-28 19:05 ` Larry McVoy
2019-08-29 14:58 ` Jason Stevens
2019-08-29 16:25 ` arnold
2019-08-29 16:38 ` Ralph Corderoy
2019-08-29 17:35 ` arnold
2019-08-28 21:55 ` Rob Pike
2019-08-28 22:29 ` George Michaelson
2019-08-28 22:36 ` William Pechter
2019-08-28 23:02 ` Arthur Krewat
2019-08-29 0:11 ` Clem cole
2019-08-29 0:18 ` George Michaelson
2019-08-29 6:27 ` Lars Brinkhoff
-- strict thread matches above, loose matches on Subject: below --
2019-09-01 2:36 [TUHS] dmr streams & networking [was: Re: If not Linux, then what? Rudi Blom
2019-09-01 2:16 [TUHS] dmr streams & networking [was: Re: If not Linux, then what?] Rudi Blom
2019-08-31 9:43 Rudi Blom
2019-08-31 15:41 ` Clem Cole
2019-08-30 20:21 Norman Wilson
2019-08-30 20:28 ` Larry McVoy
2019-08-30 20:39 ` Clem Cole
2019-08-30 21:52 ` Larry McVoy
2019-08-31 0:58 ` Clem Cole
2019-08-31 1:13 ` Bakul Shah
2019-08-31 2:46 ` Clem cole
2019-08-31 2:57 ` Clem cole
2019-08-31 3:14 ` Gregg Levine
2019-08-31 3:47 ` Clem cole
2019-08-31 3:38 ` Bakul Shah
2019-08-31 5:37 ` Dave Horsfall
2019-08-31 19:03 ` Clem Cole
2019-09-05 5:11 ` Al Kossow
2019-09-02 8:28 ` Peter Jeremy
2019-09-02 23:26 ` Dave Horsfall
2019-08-31 3:19 ` Bakul Shah
2019-08-28 17:57 Doug McIlroy
2019-08-28 18:05 ` Adam Thornton
2019-08-28 18:08 ` arnold
2019-08-28 18:27 ` Warner Losh
2019-08-28 18:34 ` Warner Losh
2019-08-28 21:54 ` Rob Pike
2019-08-29 6:43 ` arnold
2019-08-29 7:39 ` Rob Pike
2019-08-29 16:26 ` arnold
2019-08-29 3:29 ` Lawrence Stewart
2019-08-29 4:10 ` Larry McVoy
2019-08-28 9:17 Paul Ruizendaal
2019-08-28 10:44 ` Angelo Papenhoff
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