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10.19.2005 at 10:17PM PDT, ID: 21601291
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Using dd to back up boot sector

Asked by The--Captain in Linux

Tags: dd, boot, sector

A quick question, which I would've posted in one of the microsoft TA's except that I doubt many folks in those TAs are familiar with dd - so here it goes:

I want to install windows 98 on a partition that exists on a drive that already has windows XP installed.  I'm fairly certain that the 98 installation process will blow away my boot sector as a matter of course, so I want to preserve it (and restore it) after the 98 install is complete (I'm fairly confident that the XP bootloader can handle the 98 installation).  I've done a bit of googling and come up with the following...

To backup the boot sector:

dd if=/dev/hda of=backup.boot bs=512 count=1

To restore the boot sector:

dd if=backup.boot of=/dev/hda bs=1

I would be booting off a CD-based distro and using a floppy for the backup medium.

Will this work?

Cheers,
-Jon
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[+][-]10.19.2005 at 11:02PM PDT, ID: 15121972

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[+][-]10.20.2005 at 04:03PM PDT, ID: 15129278

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About this solution

Zone: Linux
Tags: dd, boot, sector
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Solution Provided By: kamermans
Participating Experts: 3
Solution Grade: A
 
 
[+][-]02.18.2006 at 12:41PM PST, ID: 15990411

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[+][-]02.19.2006 at 02:15AM PST, ID: 15993208

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[+][-]02.19.2006 at 06:18AM PST, ID: 15993890

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[+][-]02.19.2006 at 08:28AM PST, ID: 15994510

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[+][-]05.15.2006 at 06:12PM PDT, ID: 16686993

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[+][-]05.16.2006 at 12:18PM PDT, ID: 16693541

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