Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!cornell!uw-beaver!teknowledge-vaxc!sri-unix!quintus!ok
From: ok@quintus.uucp (Richard A. O'Keefe)
Newsgroups: comp.os.misc
Subject: Re: DG/UX -- Seybold's Review ( long )
Message-ID: <392@quintus.UUCP>
Date: 13 Sep 88 09:38:22 GMT
References: <602@spsd.SPSD.DG.COM>
Sender: news@quintus.UUCP
Reply-To: ok@quintus.UUCP (Richard A. O'Keefe)
Organization: Quintus Computer Systems, Inc.
Lines: 10

In article <602@spsd.SPSD.DG.COM> dds@sdsa03.UUCP () writes:
>    DG needs to distinguish its approach to Virtual Memory Management from
>    those used by both Hewlett-Packard and IBM.  Both HP/UX and AIX allow
>    for users to have transparent access to programs that do not fit into
>    physical memory by swapping segments in and out of main memory.  DG's
>    approach allows users to have transparent access to programs that do
>    not fit into physical memory by demand paging on a per page basis.

AIX on the RT PC is a demand paged system.  I believe that the version
of HP/UX which run's on HP's 68020-based series is also demand paged.