*BSD News Article 48678


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From: j@bonnie.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Restoring the MBR to DOS only
Date: 15 Aug 1995 10:45:54 +0200
Organization: Private U**x site, Dresden.
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References: <40npf0$j1g@giga.bga.com> <40oioi$3fc@palmer.demon.co.uk>
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Gary Palmer <gary@palmer.demon.co.uk> wrote:

>>How can I restore the MBR to the original state?
>
>From DOS:
>
>fdisk /mbr

From BSD:

	dd if=/dev/zero of=/dev/wd0 count=100

This will null out the first hundred sectors of your (IDE) hard disk,
make it appear like a virgin disk for any subsequent installation
utility.  (Not exactly what you've been asking, but similar in
effect.)
-- 
cheers, J"org                      private:   joerg_wunsch@uriah.heep.sax.de
                                   http://www.sax.de/~joerg/

Never trust an operating system you don't have sources for. ;-)