| Microsoft ScanDisk A component of Microsoft Windows |
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|---|---|
| Text-based version of Microsoft ScanDisk running on Windows 98 | |
| Details | |
| Other names | ScanDisk |
| Type | Utility software |
| Included with | MS-DOS 6.2 and Windows 9x |
| Related components | |
| CHKDSK | |
| External images | |
|---|---|
| Graphical version of ScanDisk on Windows 98 | |
| ScanDisk prompt when it finds an error | |
| ScanDisk Surface Scan Options dialog box | |
| ScanDisk Advanced Options dialog box | |
Microsoft ScanDisk (also called ScanDisk), is a diagnostic utility included in MS-DOS and Windows 9x. It checks and repairs file systems errors on a disk drive. It was first introduced in MS-DOS 6.2 and succeeded its simpler predecessor, CHKDSK.
ScanDisk included a more user-friendly interface than CHKDSK, more configuration options,[1][2] and the ability to detect and (if possible) recover from physical errors on the disk. This replaced and improved upon the limited ability offered by the MS-DOS Recover utility.[3] Unlike CHKDSK, ScanDisk would also repair crosslinked files.[4]
In Windows 95 onwards, ScanDisk also had a graphical user interface, although the text-based user interface continued to be available for use in single-tasking ("DOS") mode.[5][6]
However, ScanDisk cannot check NTFS disk drives, and therefore it is unavailable for computers that may be running NT based (including Windows 2000, Windows XP, etc.) versions of Windows; for the purpose, a newer CHKDSK is provided instead--this is not to be confused with the older MS-DOS CHKDSK.
On Unix-like systems there are tools like "fsck_msdosfs" to do the same task.[7]
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