OS X Disk Utility missing options to erase free disk space
Erasing free disk space is an easy (albeit not quick) way to help prevent the recovery of files you have erased from your system. Conventionally when files are deleted from storage device, the system only removes their entries from the file system's directory, thereby flagging blocks containing the data as being free to use. While this offers a quick way to delete files from the drive, the data is technically still intact on disk and thereby leaves open the possibility for recovery using special software.
To prevent this from happening, one option that Apple has offered in OS X … Read more