How to overwrite your hard disk with random characters dd if=/dev/random of=/dev/sda How to overwrite your hard disk with zero characters dd if=/dev/random of=/dev/sda Replace sda / hda with your hard disk identifier. Either of the procedure requires the system has Linux installed or accessible from Linux operating system. You can use a Live Linux distribution like Ubuntu Live CD [...]
How to overwrite your hard disk with random characters dd if=/dev/random of=/dev/sda
How to overwrite your hard disk with zero characters dd if=/dev/random of=/dev/sda Replace sda / hda with your hard disk identifier. Either of the procedure requires the system has Linux installed or accessible from Linux operating system. You can use a Live Linux distribution like Ubuntu Live CD [...]
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