Question:Closed 11 years ago. ?
Possible Duplicate: ?Erasing data before selling a computer ?
How do I wipe my hard drive?
On my iMac that I had, it had a process where it met some government standard in terms of safety by going over the drive 7 times.
Answer: Use DBAN.
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Darik’s Boot and Nuke (“DBAN”) is a ?self-contained boot disk that securely ?wipes the hard disks of most ?computers. DBAN will automatically and ?completely delete the contents of any ?hard disk that it can detect, which ?makes it an appropriate utility for ?bulk or emergency data destruction.