For businesses, reformatting a computer's hard drive is often a necessary evil; viruses and spyware, for example, can devastate the operating system and the only option left is to start over fresh.

The latest versions of the Mac OS X operating system are not available as DVDs, but you can still boot your computer to an installation volume and run different Disk Utility operations. For example, ...

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 ...