Erase Disk

Before you go too crazy with destroying disks, visit http://16systems.com/zero.php

To erase a disk before selling it:

 dd if=/dev/urandom of=/dev/rdsk/cXtXdXs2 bs=1024

(if you use /dev/random it'll take forever)

Possible script here: http://www.the-ownage.com/?p=494