HT205375: About the security content of OS X El Capitan 10.11.1, Security Update 2015-004 Yosemite, and Security Update 2015-007 Mavericks
Learn about About the security content of OS X El Capitan 10.11.1, Security Update 2015-004 Yosemite, and Security Update 2015-007 Mavericks
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Q: How do you shred files in El Capitan?
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Sep 1, 2016 1:58 PMby alueken,Are you asking about the "securely empty trash" option?
According to this document (About the security content of OS X El Capitan v10.11 - Apple Support) the option is not guaranteed to work properly on Flash drives. Thus, it was removed. There is still a way to do so if you use a classic HDD disk in your Mac. You can use the "Terminal" and the command srm. Please keep in mind that this will permanently delete the file/folder and there is no way to restore it.
