[ros-general] dos support in reactos

[Mark IJbema]

On Fri, Feb 27, 2004 at 04:19:21PM +0100, Jan Tisje wrote:
> Mark IJbema <mark at ijbema.xs4all.nl> schrieb am Fri, 27 Feb 2004 15:03:41 +0100
> 
> > Farmers use mostly DOS programs for the milking schemes and stuff, 
> 
> really? Ooops. 8-)
> 
> Why do you think they use DOS programs? 
> a)  no newer available
> b)  to expensive to buy new software
> c)  why buy new, if the old one does its job

They mostly come with the milking machines afaik, so new software would
require new hardware as well (if not the whole machine at least some
interface part).

> > lots
> > of small businesses use DOS programs for accounting. 
> 
> ok, thats right. 
> but same question for this one. 
> 
> If a) or b) is the answer, then ok. Then they probably will use ReactOS.
> in the c) case they will not change operation system, either.

it's mostly the last, which is a good enough reason imho. Also, don't
forget it will cost a lot of effort to convert all old data.

> > Those two alone are enough to support it. 
> 
> mh. i am not convinced.  ;-)

Well, i want to play Duke Nukem again >:)

> > BTW, if you'd known WinNT internals you'd know
> > this _is_ actually done using a VM.
> 
> mh. 
> you are right...
> I remember something... 
> all DOS/w16 apps lay in one huge memory area without any protection
> but on the other hand, DOS programms cannot. 

Nopes, each dos program lives in it's own virtual machine

> they REQUIRE their own 1 MB (and virtual CPU = VM) 

and has it's own 1 MB

> fuck it. I don't know. 
> ok, on winnt MS got this stable. No DOS/win16 App may influence System
> stability. But on win95 it did.... 

Win 95 == dos + a GUI

Mark