Wiping your disk drive clean
Everybody who owns a computer will someday need to dispose of a disk drive. Before you do, it is a good idea to cleanse the drive, so no one can read your sensitive information. Deleting files and reformatting is not sufficient; determined effort can still reveal data from a drive even after it appears to be gone. To do a more thorough job, I suggest using wipe.
You need to take special pains because files that are "deleted" are not really gone. Most operating systems, including Linux and its ext2 filesystem, just delete the pointer to a deleted file; the data still exists on the drive.
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