![]() ![]() The deleted content certainly becomes invisible to the operating system but is never technically removed from that volume unless that space is overwritten by any new content. In a normal delete action, only the address to locate that file on the drive is erased, leaving rest of the data intact. ![]() The data that is deleted using Secure Empty Trash feature is overwritten by junk data so that it is not recoverable using any data recovery softwares. Secure Empty Trash is a unique feature included in Mac OS X that performs a 1 X pass erasure of the data. Let’s see what exactly happens during a Secure Empty Trash option is executed. This is not recommended for a normal user unless you have highly confidential data to delete. Besides taking much longer time that usual, this might shorten the overall lifespan of the hard drive. There’s a reason why Secure Empty Trash feature is not enabled on Mac systems by default.
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