Formatting a hard drive along with the install of a new OS is the best option. The vast majority of operating system installations provide a "format" option as part of the installation process.

How do I format a hard drive? A computer hard drive stores your files, allowing you to access them at any time. The majority of the time, you want these files to remain stored properly and safely.

Mac OS X Mountain Lion gives users several ways to access the Terminal and three common options for formatting a hard drive. You can launch Terminal within Mac OS X to format hard drives currently not ...

In some cases, formatting your PC may be the last resort to remove viruses that can not be eradicated with existing antivirus programs. After reformatting, you can reinstall the operating system and ...