![]() ![]() The latest update to Disk Utility removes a lot of options from the GUI, but overall, I have yet to find a scenario where a task I need to perform isn’t still available, if only from the command line. To erase a volume called /Volumes/Seldon, use the same structure of the command, but this time without the freespace option: You can also secureErase a volume itself. For example:ĭiskutil secureErase freespace 0 /Volumes/Seldon > /var/log/secureeraselog.tmp If you were to automate the command then you would want to dump the output into a log file. In this example you would use the following:ĭiskutil secureErase freespace 0 /Volumes/Seldon /rebates/&.com252farticle252fsecurely-erase-deleted-files-on-mac. Forgot your Apple ID When asked whether you're sure you want to erase this Mac, click Erase Mac and Restart. However, if you see an Erase Volume Group button, click that button instead. So for example, let’s say you had a volume called Seldon and you wanted to do a standard Single-pass zero-fill erase. Click the Erase button in the toolbar, then specify a name and format: Name: Macintosh HD Format: APFS Click Erase. The levels are as follows (per the man page as not all of these are specified in Disk Utility): The format of the command to secureErase freespace is:ĭiskutil secureErase freespace To do so, use the diskutil command along with the secureErase option. But you can still securely erase whatever you’d like (other than you boot volume obviously), when needed. Additionally, there’s no option to Secure Erase free space on a volume. One of the options thats a tad bit hidden in OS X is the Secure Erase option, which runs a multi-pass erase on a volume. ![]()
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