wikipedia article

Ted Mittelstaedt tedm at toybox.placo.com
Tue Jun 13 05:27:51 UTC 2006



>-----Original Message-----
>From: John Nemeth [mailto:jnemeth at victoria.tc.ca]
>Sent: Monday, June 12, 2006 1:15 PM
>To: Ted Mittelstaedt; Nikolas Britton; Ted Unangst
>Cc: Hámorszky Balázs; misc at openbsd.org; freebsd-questions at freebsd.org;
>netbsd-users at NetBSD.org
>Subject: RE: wikipedia article
>
>
>On Nov 1,  6:11pm, "Ted Mittelstaedt" wrote:
>}
>} Prior to the release of the 80386 the Intel processors didn't have
>} memory protection which was a requirement of any processor running
>} the BSD kernel.
>
>     This is not entirely true.  The 80286 had memory protection.
>However, its memory protection was completely based on segments (i.e.
>it could not do paging).

Oh, yeah, your right about that.  Me bad.

>Also, it was only a 16 bit processor.

What was the bit size of the CPU's originally used to write UNIX in Bell
Labs?

Ted



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