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→Investigation 10 - How can you backup the MBR (Master Boot Record)?
* Uniquely identifying individual disk media, with a 32-bit disk signature.}}
# We can duplicate the first 512 bytes of a hard disk using the dd command. Use this command to backup the MBR of your hard disk:#* <code>dd if=/dev/sda of=mbr.bak bs=512 count=1</code># Use * <code>if</code> is the input file or device#* <code>of</code> is the output file or device#* <code>bs</code> is the command to backup block size -- 512 bytes (1 sector) in this case#* <code>count</code> is the MBR number of your hard disk.blocks to be copied
# Under what circumstances do you think this will be useful?