Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!usc!apple!motcsd!xdos!doug
From: doug@xdos.UUCP (Doug Merritt)
Newsgroups: comp.sys.amiga.tech
Subject: Re: DMA in VM
Message-ID: <556@xdos.UUCP>
Date: 1 Dec 89 16:27:37 GMT
References: <14059@grebyn.com> <2054@atanasoff.cs.iastate.edu> <14060@grebyn.com> <4643@sugar.hackercorp.com>
Reply-To: doug@xdos.UUCP (Doug Merritt)
Organization: Hunter Systems, Mountain View CA (Silicon Valley)
Lines: 11

In article <4643@sugar.hackercorp.com> peter@sugar.hackercorp.com (Peter da Silva) writes:
>This was a feature of Multics some, oh, 20 years ago now. ALL files were mapped
>into memory... paged to and from the physical disk on demand.

As you probably know, other systems since then have also used it. And I've
heard that Unix 5.4 will support this feature, too. (I guess this is
the "it's in there!" release of Unix :-)
	Doug
-- 
Doug Merritt		{pyramid,apple}!xdos!doug
Member, Crusaders for a Better Tomorrow		Professional Wildeyed Visionary