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Emptying/ Secure Empty
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Forum Regular
Join Date: Dec 2005
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What is there difference between "emptying" and "secure emptying" the trash, and why sometimes does it take longer to secure empty rather than just a "regular" emptying of the trash? Is it better to secure empty of just empty the trash?
Thanks
jmault
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Posting Junkie
Join Date: Mar 2004
Location: MacNN database error. Please refresh your browser.
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Secure overwrites, or zeroes, the data more often than just emptying the trash.
No need to use secure unless you really want to get rid of stuff that can't be recovered via data recovery app (unless government-funded).
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Forum Regular
Join Date: Dec 2005
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Thanks for the help just wondering. Do you know if you get back that memory space that once occupied the space on the HD previously before I trashed it? And does "secure empty" delete the "thing" you are trashing any more than does just emptying trash (like do you get more space back by secure emptying)?
Thanks
jmault
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Registered User
Join Date: Sep 2000
Location: Irvine, CA
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Addicted to MacNN
Join Date: Jun 1999
Location: Las Vegas, NV, USA
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Originally Posted by Randman
Secure overwrites, or zeroes, the data more often than just emptying the trash.
No need to use secure unless you really want to get rid of stuff that can't be recovered via data recovery app (unless government-funded).
Regular empty trash doesn't zero anything. All it does is remove reference to the file(s) from the disk catalog. The data remains 100% intact on the hard disk.
Secure empty trash does the same thing, but it actually deletes the data from the disk by overwriting it with meaningless data.
Chris
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Fresh-Faced Recruit
Join Date: Dec 2001
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Offline
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FWIW, secure empty also obscures the original filename in the disk catalog, so that you can't even determine the nature of the original file (like whether it was thesis.doc or pron.jpg).
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