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Date:      Thu, 21 Nov 2002 10:07:11 -0500 (EST)
From:      Jerry McAllister <jerrymc@clunix.cl.msu.edu>
To:        vriviere@snv.jussieu.fr (Visotheary Riviere-Ung)
Cc:        questions@FreeBSD.ORG
Subject:   Re: Dual-Boot Windows 2000 and FreeBSD 4.6
Message-ID:  <200211211507.gALF7BD24099@clunix.cl.msu.edu>
In-Reply-To: <5.1.0.14.0.20021121105946.00a38100@mail.snv.jussieu.fr> from "Visotheary Riviere-Ung" at Nov 21, 2002 11:02:47 AM

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> Hi,
> 
> I have only one hard disk and I want to make a dual-boot Windows 2K and 
> FreeBSD. How can I do it?
> My first attempt had erased W2K. Is there a fix for this?
> Thanks for your help

Well, if you installed the FreeBSD over the top of the W2K slice, then
it is gone.  You will have to reinstall it.

To do a dual boot, you need at least two primary slices - one for
the W2k and one for FreeBSD.   

Then, you want to have the Microsloth stuff installed first - if you try 
to install it second, it will almost certainly ignore what you have already
installed and clobber it.   So, reinstall W2K if it has been wiped.

Now, you take the system with W2k installed and use a utility to shrink 
the W2k slice (MS stuff calls them partitions) and make room for a FreeBSD 
slice.  Then use the utility or the FreeBSD install utility (/stand/sysinstall 
which is what is running when you install from FreeBSD CD or install floppies) 
or use fdisk(8) to turn that freed up space in to a slice and install FreeBSD
on it.

The utility for shrinking W2K and other slice/partition management that
I am familier with is Partition Magic.  It works and isn't too expensive.
There are others, some even cheaper.  There are also freeware utilities
but the free ones I have seen can't handle NTFS type files systems and
that is probably what your W2k is using.   Partition Magic has pretty
good instructions with it, but it uses all MS terminology, so slices
become partitions and it doesn't know about UNIX partitions.

Now, if you did properly create a slice for FreeBSD and installed FreeBSD
in it and didn't wipe out the W2K, then maybe you only messed up the
slice table.  You might be able to use either Partition Magic or one
of the other utilities that manage disk slices/partitions to remake
the slice table without reinstalling anything.  

Good luck,

////jerry

> 
> ------------------------------------------------------
> Visotheary RIVIERE-UNG
> CNRS UMR 7625
> Fonctionnements et Evolution
> des Systèmes écologiques
> (Bâtiment A, 7ème étage)
> 7 Quai Saint-Bernard
> 75252 Paris Cedex 05
> Tel: 01 44 27 25 70
> Email: visotheary.riviere@snv.jussieu.fr
> ------------------------------------------------------

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