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FSCK_MSDOSFS (8) | System administration commands and daemons | Unix Manual Pages | :man


fsck_msdosfs - DOS/Windows (FAT) file system consistency checker


See Also


fsck_msdosfs -p [-f] filesystem ... fsck_msdosfs [-ny] filesystem ...


The fsck_msdosfs utility verifies and repairs FAT file systems (more commonly known as DOS file systems).

The first form of fsck_msdosfs preens the specified file systems. It is normally started by fsck(8) run from /etc/rc during automatic reboot, when a FAT file system is detected. When preening file systems, fsck_msdosfs will fix common inconsistencies non-interactively. If more serious problems are found, fsck_msdosfs does not try to fix them, indicates that it was not successful, and exits.

The second form of fsck_msdosfs checks the specified file systems and tries to repair all detected inconsistencies, requesting confirmation before making any changes.

The options are as follows:

-F Compatibility with the wrapper fsck(8) which seeks to determine whether the file system needs to be cleaned immediately in foreground, or if its cleaning can be deferred to background. FAT (MS-DOS) file systems must always be cleaned in the foreground. A non-zero exit code is always returned for this option.
-f Force fsck_msdosfs to check "clean" file systems when preening.
-n Causes fsck_msdosfs to assume "no" as the answer to all operator questions, except "CONTINUE?".
-p Preen the specified file systems.
-y Causes fsck_msdosfs to assume "yes" as the answer to all operator questions.


fsck(8), fsck_ffs(8), mount_msdosfs(8)



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