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A faster way to securely delete files
Authored by: ikioi on Feb 05, '09 03:37:25PM

According to this page, in Mac OS X 10.4 the command that Finder uses to securely delete files was hard coded in the file.

/System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Resources/

One of the comments on that page explains that in 10.5 is got moved to a preference in com.apple.finder.plist . So, if you have Leopard, then you should be able to do something like:

defaults write com.apple.finder _FXSecureEmptyTrashLevel 9

To get Finder's secure deleting to use only one pass of random data.

I haven't tried or verified these things myself though, so I can't swear they still work.



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A faster way to securely delete files
Authored by: dani190 on Mar 08, '09 05:06:33PM

i tried it and it seemed to work, but according to a comment above i did this.

defaults write com.apple.finder _FXSecureEmptyTrashLevel 7

then killed finder, and it worked perfect.



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A faster way to securely delete files
Authored by: mantrid on Mar 08, '09 06:27:53PM

The only safe values mentioned are "9" and "-1".

I would proceed under the assumption that anything else deletes insecurely unless you test it first hand and find otherwise.



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