utility verifies and repairs
file systems (more commonly known
The first form of
preens the specified file systems.
It is normally started by
during automatic reboot, when a FAT file system is detected.
When preening file systems,
will fix common inconsistencies non-interactively.
If more serious problems are found,
does not try to fix them, indicates that it was not
successful, and exits.
The second form of
checks the specified file systems and tries to repair all
detected inconsistencies, requesting confirmation before
making any changes.
The options are as follows:
Compatibility with the corresponding
option (skip check if clean), defined to no-op.
Compatibility with the wrapper
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.
file systems when preening.
as the answer to all operator
Preen the specified file systems.
as the answer to all operator questions.