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MS DOS Command: Chkdsk

Reference from Microsoft WinXP cmd help

Description

Checks a disk and displays a status report.

Syntax

CHKDSK [volume[[path]filename]]] [/F] [/V] [/R] [/X] [/I] [/C] [/L[:size]]

Parameters

volume	Specifies the drive letter (followed by a colon), mount point, or volume name.
filename	FAT/FAT32 only: Specifies the files to check for fragmentation.
/F	Fixes errors on the disk.
/V	On FAT/FAT32: Displays the full path and name of every file on the disk. On NTFS: Displays cleanup messages if any.
/R	Locates bad sectors and recovers readable information (implies /F).
/L:size	NTFS only: Changes the log file size to the specified number of kilobytes. If size is not specified, displays current size.
/X	Forces the volume to dismount first if necessary. All opened handles to the volume would then be invalid (implies /F).
/I	NTFS only: Performs a less vigorous check of index entries.
/C	NTFS only: Skips checking of cycles within the folder structure.

Remarks

The /I or /C switch reduces the amount of time required to run Chkdsk by skipping certain checks of the volume.