Simple reformatting or physical destruction of devices may not be enough to erase data thoroughly. ShredOS securely wipes storage devices to destroy data, helping prevent privacy breaches, identity ...
A time will come when you want to delete everything on your hard drive. It might be when you sell your computer, dump your pitifully meager 500-gigabyte drive or choose to delete the drive's contents ...
The disk in question is disk04 - a 128 GB SSD drive in an external USB enclosure. I booted the Macbook from a X.11 USB install drive and there was an internal SSD drive as well. a simple fdisk ...