Tag Archive: Erase


How to Erase a Disk from Command Line in Mac OS X

Some Mac users may require the ability to erase a disk or erase a hard drive from the command line on Mac OS, a task which is typically performed through the Disk Utility application from the GUI. The command line approach to disk erasure in macOS is a bit different and it requires precise syntax … Read More

How to Secure Erase Free Space on Mac Drives with OS X El Capitan

Many Mac users running a modern version of OS X El Capitan have noticed the Secure Erase Free Space feature has gone missing from Disk Utility. What the “Erase Free Space” feature did (and still does in prior versions of Mac OS X) was overwrite the free space on a drive to prevent file recovery, … Read More

How to Erase & Reset Android to Factory Settings

If you have an Android phone or tablet that is no longer in use and gathering dust, selling it or giving it to a new owner is often a good idea. Before you do that though, you’ll almost certainly want to erase all personal data on the phone by resetting the Android to the factory … Read More

Apple’s new ‘eRase U2′ service gets Bono out of your brain forever

U2 has not had a good week. What was supposed to be the most epic album release of all-time spun into a bloody hatefest as Apple decided to add Songs of Innocence to every iTunes user’s purchased items lists. The… Read more ›

Erase Free Space on a Mac Hard Drive with OS X Disk Utility to Prevent File Recovery

Use Disk Utility to erase free space on a Mac hard drive The Mac OS X Disk Utility app provides an ability to erase free space on traditional hard drives, which overwrites vacant disk space on the drive to prevent any potential recovery of deleted files (that is, files that have been removed traditionally, rather than through secure methods). For most users this is an unnecessary procedure, but if you plan on  [Read More…]

How to Secure Erase a Mac SSD / Hard Disk from Recovery Mode

Disk Utility icon The newest Macs ship with a Recovery partition rather than a separate external reinstall disk, and if you’ve ever rebooted a newer Mac, iMac, MacBook Air, or MacBook Pro with an SSD from the Recovery partition to reformat the drive, you may have noticed that by default the “Security Options” button is greyed out in the Disk Utility options, seemingly preventing a standard “secure” erase procedure. The precise  [Read More…]