Don't be intimidated by the Windows Command Prompt — it's easy to get around drives and directories. We'll show you how.

Improve the performance of XP and Vista--at least a little bit--by running its built-in disk defragmenter with your choice of command switches.

If you have mistakenly run the DISKPART Clean command on the wrong disk you can undo DISKPART clean command in Windows 11/10. Learn how!