Check Disk (chkdsk.exe) is a utility that looks for errors on a hard drive, floppy drive or removable drives. It originated with MS DOS 1.0, and has remained as a command line utility in all MS DOS and Windows versions.

In Windows 95, 98 and ME, Microsoft included Scan Disk, which performed similar functions to Check Disk, but also included a surface scan test. Under Windows NT, 2000, 2003, XP and Vista, a revised version of Check Disk is included that has the ability to check the disk surface...