scrub overwrites hard disks, files, and other devices with repeating patterns intended to make recovering data from these devices more difficult. Although physical destruction is unarguably the most reliable method of destroying sensitive data, it is inconvenient and costly. For certain classes of data, organizations may be willing to do the next best thing which is scribble on all the bytes until retrieval would require heroic efforts in a lab.
So, here I share with you the step to install & use this software.
First, get latest diskscrub from code.google.com/p/diskscrub/downloads/list
Then, extract the file using this command;
Then, change the directory to the scrub folder;
To use it, just type into the terminal;
–> where sda2 is point to your drive that you want to erase.
Carefull with your drive name!
You can check you drive using command;
Unix = diskutil list
Linux = fdisk -l