Obscure DOS question

[Steven Canning]

Sent: Monday, April 04, 2005 5:47 AM
Subject: Re: Obscure DOS question


> At 20:56 02/04/2005, Vintage Computer Festival wrote:
>
> >On Wed, 30 Mar 2005, Scott Stevens wrote:
> >
> > > Couldn't you use the DOS subst command to fake out the C: drive to
some
> > > higher-level folder, i.e. make your D:\scratch folder into the C:
drive?
> > >  Directories don't have the filesystem limits that the root directory
of
> > > C: does.
> > >
> > > This of course, would 'map over' your C: drive (is that allowed by
subst
> > > ?)
> >
> >DOS 3.3 doesn't allow this, otherwise the solution would've been simple
;)
>
> Is this a restriction on being unable to map "c:", or being unable to map
> out the boot drive (in which case the solution is simple - boot off
> something else, e.g. "a:")
>
> I have seen boot procedures in later versions of DOS swap around drive
> letters after boot (usually diagnostic boot discs that set up a ram disc
as
> C:, and have the original drive somewhere else).  Is there a mechanism in
> 3.30 to do something similar?
>
> Rob
>

Rob,

Unfortunately DOS 3.3 has no such provisions.

Regards, Steven C.