How do I wipe a hard drive completely? Answered

open it up take out the magnet and wipe it over the disk repeatedly the reassemble

There is aprogram called Killdisk that will do the trick. You can get free use of the program. Just download and off you go. It will write zeros to everything on the disk and wipe it to mil spec.

Repartitioning the drive makes it rather difficult to extract data, and rather quickly too. You can get a free tool from http://partitionlogic.org.uk/

L

boot linux badblocks -fw /dev/sda enough for most uses