fsck_msdos(8) - NetBSD Manual Pages

Command: Section: Arch: Collection:  
FSCK_MSDOS(8)           NetBSD System Manager's Manual           FSCK_MSDOS(8)


NAME
fsck_msdos -- DOS/Windows (FAT) filesystem consistency checker
SYNOPSIS
fsck_msdos -p [-f] filesystem ... fsck_msdos [-fny] [-x snap-backup] filesystem ...
DESCRIPTION
The fsck_msdos utility verifies and repairs FAT filesystems (more com- monly known as DOS filesystems). The first form of fsck_msdos preens the specified filesystems. It is normally started by fsck(8) run from /etc/rc during automatic reboot, when a FAT filesystem is detected. When preening file systems, fsck_msdos will fix common inconsistencies non-interactively. If more serious problems are found, fsck_msdos does not try to fix them, indi- cates that it was not successful, and exits. The second form of fsck_msdos checks the specified file systems and tries to repair all detected inconsistencies, requesting confirmation before making any changes. The options are as follows: -f This option is ignored by fsck_msdos, and is present only for compatibility with programs that check other file system types for consistency, such as fsck_ffs(8). -n Causes fsck_msdos to assume no as the answer to all operator questions, except ``CONTINUE?''. -p Preen the specified filesystems. -x snap-backup Use a snapshot with snap-backup as backup to check a read-write mounted filesystem. Must be used with -n. See fss(4) for more details. The point is to check an internally-consistent version of the filesystem to find out if it is damaged; on failure one should unmount the filesystem and repair it. -y Causes fsck_msdos to assume yes as the answer to all operator questions.
SEE ALSO
fss(4), fsck(8), fsck_ffs(8), mount_msdos(8)
HISTORY
A fsck_msdos utility appeared in NetBSD 1.2.
BUGS
fsck_msdos is still under construction. NetBSD 8.1 September 11, 2016 NetBSD 8.1
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Modified for NetBSD by Kimmo Suominen