Path: utzoo!mnetor!uunet!husc6!cmcl2!rutgers!sdcsvax!ucbvax!decvax!decwrl!pyramid!voder!kontron!optilink!cramer
From: cramer@optilink.UUCP (Clayton Cramer)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Breaking the 640K Barrier - DOS 4.x
Message-ID: <1836@optilink.UUCP>
Date: 23 Dec 87 18:35:23 GMT
References: <839@cfa.cfa.harvard.EDU> <45900100@uxe.cso.uiuc.edu> <2273@ulowell.cs.ulowell.edu> <817@ima.ISC.COM>
Organization: Optilink Corporation, Petaluma, CA
Lines: 16

> In article <2273@ulowell.cs.ulowell.edu> boneill@hawk.cs.ulowell.edu (Debugger) writes:
> >I just read in a book given to me for Christmas (thanks, Jeff) that
> >DOS 4.0 is to be a multi-user, multi-tasking operating system for the PC.
> 
> DOS 4.x has been out for a while but as far as I can tell is only sold in
> Europe.  It's a multitasking version of DOS, sort of like Digital Research's
> Concurrent DOS.  Microsoft makes no secret of it, but they don't seem to be
> very enthusiastic about it either.  My impression is that it doesn't swap,
> it just partitions up whatever memory you've got.  So much for breaking out
> of 640K.
> -- 

My understanding is that DOS 4.x provides a background task strictly for
communications -- that it isn't a general purpose multitasking OS.

Clayton E. Cramer