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Date:      Wed, 30 Jan 2002 08:53:14 -0700
From:      "DOROVSKOY,IGOR (A-Portsmouth,ex1)" <igor_dorovskoy@agilent.com>
To:        'Ronald G Minnich' <rminnich@lanl.gov>, babkin@FreeBSD.ORG
Cc:        hackers@FreeBSD.ORG, justin@mac.com
Subject:   RE: OS Textbook FreeBSD Appendix
Message-ID:  <0D9185CE635BD511ACA50090277A6FCF1359A2@axcs18.cos.agilent.com>

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> Once again Unix actually used this, the DEC OSes did not, so Unix was the
first to
> find the bugs in this hardware too.

I think the first sentence is not true. The RT-11 XM monitor uses the MMU
hardware
intensively even before Unix came to utilize it. I'm not talking about
RSX-11, RSTS-E and 
Sherrard's TSX-Plus which were native real multiuser's muliprocessors OS's
for PDP-11.

Igor.

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