From: doug@cs.dartmouth.edu (Doug McIlroy)
Subject: [TUHS] !mail tuhs@minnie.tuhs.org
Date: Mon, 22 Jan 2018 07:31:54 -0500 [thread overview]
Message-ID: <201801221231.w0MCVsjq019507@coolidge.cs.Dartmouth.EDU> (raw)
Re: [TUHS] Kernel Sizes
> I've often thought that LSX was V5 'regressed' to the concepts of
> V1, which was facing similar hardware constraints. Is that a
> reasonable view?
> LSX has a maximum of three processes that are swapped
> in and out in a stack-like fashion. Only one process is ever in core.
> Is that how V1 was organized?
The rocess limit was higher in V1. And V1 was a time-sharing
system; for which LIFO swapping is inappropriate. So LSX
seems to have "regressed" to some pre-Unix state.
doug
next reply other threads:[~2018-01-22 12:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-22 12:31 Doug McIlroy [this message]
2018-03-24 1:26 [TUHS] mail tuhs@minnie.tuhs.org Doug McIlroy
2018-03-24 1:54 ` Larry McVoy
2018-03-27 9:20 ` Michael-John Turner
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