[Ilugc] Overwriting hard disk

Arun Khan knura at yahoo.com
Wed Dec 10 21:45:56 IST 2008

One of my hard disk is showing symptoms of impending failure. Before 
sending it for replacement, I would like to blank out the entire disk 
(80GB in my case).

Is the following sufficient?
dd if=/dev/zero of=/dev/sdb1 bs=1K count=78148161  (sdb1 is the entire 
disk - MBR)

Arun Khan

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