Originally published at: http://www.howtogeek.com/179284/how-to-securely-wipe-a-hard-drive-on-your-mac/
During a junk room cleaning session, I came across a bunch of older hard drives that I wanted to give away… but what if they have my personal data on them? The answer is to securely wipe them, and on Mac OS X it couldn’t be simpler.
Loved the last line.
Nice article; what do the other notches do? Far as I can see, the first will just reformat, the second will overwrite the drive with zeros and then reformat. What about the others?
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