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Mail Archives: djgpp/2002/04/04/14:16:46

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From: "infonews" <usrinfousr AT libero DOT it>
Newsgroups: comp.os.msdos.djgpp
References: <%pUq8.117748$1S3 DOT 3748632 AT twister1 DOT libero DOT it> <a8h67c$h21$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE>
Subject: Re: Dos shell ,dos box ,MS-Dos ......
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Message-ID: <us1r8.121017$1S3.3811952@twister1.libero.it>
Date: Thu, 4 Apr 2002 21:02:58 +0200
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

As you say the Dos functions are mainly reduced at the boot phase
and to create the emergency boot .
Then Djgpp environment ,Rhide (my little programs !!!) work over Windows ME
.
But  have to be started in the dos box ( right ? ) or dos shell ( right ?)
offered
by Windows ME ( OK ?) that at this time is the operating system.
Thanks for your kind answer .




"Hans-Bernhard Broeker" <broeker AT physik DOT rwth-aachen DOT de> ha scritto nel
messaggio news:a8h67c$h21$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE...
> infonews <usrinfousr AT libero DOT it> wrote:
> [...]
> > explain
> > me what is Dos that is in Windows ME ( operating system on my PC).It
cannot
> > be an operating system (that is windows ME ! ).
>
> It can be.  And it is, to some extent.  The first stages of booting
> your PC, even in Windows ME, are still executed by an instance of DOS.
> It's needed, because the first stages of the Windows ME bootup process
> itself can't access your harddisks all on their own.  They need and
> use the services of DOS for that.
>
> The boot block of your harddisk loads and executes IO.SYS, which is
> the operating system kernel of DOS.  MSDOS.SYS used to be the next
> binary part to be loaded and executed, but sometime around Windows 95,
> M$ converted that one into a configuration textfile.  Go have a look
> at it, some time.
>
> This DOS instance then proceeds to fire up the Windows systems, which
> replaces just about all of the services of that DOS kernel by its own
> drivers.  So DOS has been reduced to a slightly glorified "bootstrap
> loader" for the Win32 system.  But it's still there.
>
> In all earlier versions of the "9x" series of Windows, you could
> prevent the startup of Windows itself from happening automatically, by
> putting certain entries into MSDOS.SYS, CONFIG.SYS and/or
> AUTOEXEC.BAT.  But ME does it unconditionally, so it *appears* like
> there was no separate DOS anymore.  That was done mainly to satisfy
> the claims by MS' marketing droids about how ME would be the "first
> consumer Windows without a DOS sitting under the hood".  But if you
> get down to the technical facts, there still is --- only its
> camouflage gear has become more elaborate.
>
> The emergency boot disk the system will create for you, e.g., still is
> a pure and uncrippled DOS system.  Go figure.
>
>
> --
> Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
> Even if all the snow were burnt, ashes would remain.




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