Below is a listing of available switches in MS-DOS scandisk 6.2 and above. It is important to note that these commands will not work in Windows 95 and above.
| drive: | The drive letter you wish to scan. |
| drive:\path\filename | The drive and path and/or filename you wish to scan. |
| volume_name | The name of the unmounted compressed volume. |
| /all | Checks and repairs all local drives at once. |
| /checkonly | Checks drive for errors but will not make repairs. |
| /autofix | Fixes errors without asking you first. Saves lost clusters by default as files in the drive's root directory. Cannot be used with /checkonly or /custom. |
| /custom | Runs Scandisk using the settings in [custom] section of the scandisk.ini file. Cannot be used with /autofix or /checkonly. |
| /surface | Automatically checks surface after other areas are tested without prompting you first. When used with /custom, will override any /surface setting in [Custom] section of scandisk.ini. |
| /fragment | Checks individual files for fragmentation. Must specify a drive, path and file name; cannot use any other switches. |
| /mono | Uses a monochrome display instead of color. |
| /nosave | Deletes all lost clusters found by Scandisk. Can be used with /autofix. |
| /nosummary | Prevents display of full-screen summary after each drive. Use with /autofix to prevent prompts for undo diskette. |
Scandisk the main hard disk drive for any errors and if found automatically fix those errors.
