In computing, CHKDSK (short for "check disk") is a system tool and command in DOS, Digital Research FlexOS, IBM/Toshiba 4690 OS, IBM OS/2, Microsoft Windows and related operating systems. It verifies the file system integrity of a volume and attempts to fix logical file system errors.

CHKDSK (or chkdsk.exe) is short for "check disk". It's recommended to use this utility when your CHKDSK is a Windows utility that can check the integrity of your hard disk and can fix various file...

Chkdsk Command Options. Item. Explanation. This option will perform a less vigorous chkdsk command by instructing the command to run faster by skipping over certain regular checks.