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From: hlovda01
Subject: Re: GNU GRUB
Date: Tue, 14 Dec 2004 13:22:32 +0100
User-agent: Internet Messaging Program (IMP) 3.1

Quoting Mathieu Bruneau <address@hidden>:
> Håkon Løvdal wrote:
> > 3:
> > The following command will completly wipe out any boot loaders.
> > It will not insert a new valid boot loader, but at leat it will
> > remove Grub :)
> > Boot with a linux boot disk or CD and run the following command:
> > "dd if=/dev/zero of=/dev/hda bs=446 count=1"
> I always tought the complete mbr was 512 bytes long ? But whatever
> that will do the job or erasing it beyond normal readibility!

Yes, the complete MBR is 512 bytes but the boot loader is only in
the 446 first bytes. See
http://www.hpcc.ecs.soton.ac.uk/~dan/filesystems/partition.html for
picture and explanation.

BR Håkon Løvdal

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