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From: "Patrick Moran" <pmoran22 AT yahoo DOT com>
To: <opendos AT delorie DOT com>
References: <E142Ar8-0000Xr-00 AT seasip DOT demon DOT co DOT uk>
Subject: Re: BASIC & EMS (was: Optimizing CONFIG.SYS...)
Date: Sat, 2 Dec 2000 10:50:49 -0700
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Reply-To: opendos AT delorie DOT com


----- Original Message -----
From: "John Elliott" <jce AT seasip DOT demon DOT co DOT uk>
To: <opendos AT delorie DOT com>
Sent: Saturday, December 02, 2000 4:29 AM
Subject: Re: BASIC & EMS (was: Optimizing CONFIG.SYS...)


> : Win3.x and Win9x are cooperative multitasking, The latest version
Desqview
> : (not older versions) and Dr-DOS taskmanager (7.03) are pre-emptive
> : multitasking which is much better.
>
>   A simplification. Win 3.x preemptively multitasks DOS sessions, and
> cooperatively multitasks Windows 16-bit and 32-bit programs. Win9x
> preemptively multitasks DOS and Win32 programs, but cooperatively
multitasks
> 16-bit programs.
>
> : Yes, Linux as a 32-bit protected mode system, DOS supports 16/32-bit
> : real/protected mode.
>
>   See vm86(2). Linux can run programs in 16-bit V86 mode.

As does DRDOS Task manager. Tasks run under TM are in v86 mode. Linux itself
is 32 bit mode and requires a 386 or later CPU, however, there is at least
one clone of Linux that will run on a 286 and there was a professor at a
university that made a UNIX clone that would run on an 8086/88, I believe
it's name was MINIX. You can still find it on the WEB. I think I have a copy
of it some place and possibly the 286 version. But they would be on the
Linux tapes and I can't read those until I install that program for the tape
in DOS Linux.

Pat



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