| Checks a disk and displays a status report. CHKDSK [volume[[path]filename]]] [/F] [/V] [/R] [/X] [/I] [/C] [/L[:size]] [/B]
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| 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. |
| /B | NTFS only: Re-evaluates bad clusters on the volume (implies /R) |
| The /I or /C switch reduces the amount of time required to run Chkdsk by skipping certain checks of the volume. |
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