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35 pass erase free disk space disk utility
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<blockquote data-quote="pigoo3" data-source="post: 1024969" data-attributes="member: 56379"><p>According to this Apple document:</p><p></p><p><a href="http://support.apple.com/kb/TA24002" target="_blank">About Disk Utility's secure erase options</a></p><p></p><p>The DoD (Department of Defense)...actually only requires a 3-pass erase:</p><p></p><p><em>"The 7-Pass Erase option conforms to the DoD 5220.22-M specification. This specification calls for three passes, but Disk Utility performs seven."</em></p><p></p><p>So a 35 pass erase (in addition to taking an ungodly amount of time to perform)...would way way exceed what the DoD requires!</p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1024969, member: 56379"] According to this Apple document: [url=http://support.apple.com/kb/TA24002]About Disk Utility's secure erase options[/url] The DoD (Department of Defense)...actually only requires a 3-pass erase: [i]"The 7-Pass Erase option conforms to the DoD 5220.22-M specification. This specification calls for three passes, but Disk Utility performs seven."[/i] So a 35 pass erase (in addition to taking an ungodly amount of time to perform)...would way way exceed what the DoD requires! - Nick [/QUOTE]
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