For wiping mac hard drive used and free space disk utility is used. But, disk utility is to capable enough to wipe file slack. File slack refers to the area left out after files data end and till file system block is finished. As file system is divided into blocks of finite sizes. In hard drive, file slack occupies almost gigabytes of information and this area is not cleaned with free space. This, means wipe mac done with disk utility similar to windows utility eraser (for windows OS) is incomplete.
Owing to this, wipe mac software is required for clean wipe mac; it thoroughly overwrites data including free and slack space. It removes junk files, install, console and other unused application logs. Browser history, cookies, temporary files are all removed such that recovering them is not at all possible. Actual process going on here is overwriting hard disk data with binary digits 0 and 1 as per the algorithm selected. Also, is supported by Mac OS X tiger 10.4, leopard 10.5 and snow leopard 10.6.
Tags: wipe mac, wipe mac hard drive