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authorKarel Zak2006-12-07 00:25:32 +0100
committerKarel Zak2006-12-07 00:25:32 +0100
commit6dbe3af945a63f025561abb83275cee9ff06c57b (patch)
tree19e59eac8ac465b5bc409b5adf815b582c92f633 /disk-utils/mkfs.8
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Imported from util-linux-2.2 tarball.
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+.\" -*- nroff -*-
+.TH FSCK 8 "Jul 1993" "Version 1.8"
+.SH NAME
+fsck \- check and repair a Linux file system
+.SH SYNOPSIS
+.B fsck
+[
+.B \-A
+]
+[
+.B \-V
+]
+[
+.B \-t
+.I fstype
+]
+[
+.B fs-options
+]
+.I filesys
+.SH DESCRIPTION
+.B fsck
+is used to check and optionally repair a Linux file system.
+.I filesys
+is either the device name (e.g. /dev/hda1, /dev/sdb2) or
+the mount point (e.g. /, /usr, /home) for the file system.
+.PP
+The exit code returned by
+.B fsck
+is the sum of the following conditions:
+.br
+\ 0\ \-\ No errors
+.br
+\ 1\ \-\ File system errors corrected
+.br
+\ 2\ \-\ File system errors corrected, system should
+.br
+\ \ \ \ be rebooted if file system was mounted
+.br
+\ 4\ \-\ File system errors left uncorrected
+.br
+\ 8\ \-\ Operational error
+.br
+\ 16\ \-\ Usage or syntax error
+.br
+\ 128\ \-\ Shared library error
+.br
+The exit code returned when all file systems are checked using the
+.B -A
+option is the bit-wise OR of the exit codes for each
+file system that is checked.
+.PP
+In actuality,
+.B fsck
+is simply a front-end for the various file system checkers
+(\fBfsck\fR.\fIfstype\fR)
+available under Linux.
+The file system-specific checker is searched for in /etc/fs first,
+then in /etc and finally in the directories listed in the PATH
+environment variable.
+Please see the file system-specific checker manual pages for
+further details.
+.SH OPTIONS
+.TP
+.B -A
+Walk through the
+.I /etc/fstab
+file and try to check all file systems in one run. This option is
+typically used from the
+.I /etc/rc
+system initalization file, instead of multiple commands for checking
+a single file system. Note, that with this option, you cannot give
+the
+.I filesys
+argument as well.
+.TP
+.B -V
+Produce verbose output, including all file system-specific commands
+that are executed.
+Specifying this option more than once inhibits execution of any
+file system-specific commands.
+This is really only useful for testing.
+.TP
+.BI -t \ fstype
+Specifies the type of file system to be checked.
+If not specified, the type is deduced by searching for
+.I filesys
+in
+.I /etc/fstab
+and using the corresponding entry.
+If the type can not be deduced, the default file system type
+(currently minix) is used.
+.TP
+.B fs-options
+File system-specific options to be passed to the real file
+system checker.
+Although not guaranteed, the following options are supported
+by most file system checkers.
+.TP
+.I -a
+Automatically repair the file system without any questions (use
+this option with caution).
+.TP
+.I -l
+List all the file names in the file system.
+.TP
+.I -r
+Interactively repair the file system (ask for confirmations).
+.TP
+.I -s
+List the super block before checking the file system.
+.TP
+.I -v
+Produce verbose output.
+.SH BUGS
+All generic options must precede and not be combined with
+file system-specific options.
+Some file system-specific programs do not support the
+.I -v
+(verbose) option, nor return meaningful exit codes.
+.SH AUTHORS
+David Engel (david@ods.com)
+.br
+Fred N. van Kempen (waltje@uwalt.nl.mugnet.org)
+.br
+The manual page was shamelessly adapted from Remy Card's version
+for the ext2 file system.
+.SH SEE ALSO
+.BR mkfs (8),
+.BR fsck.minix (8),
+.BR fsck.ext (8),
+.BR fsck.ext2 (8),
+.BR fsck.xiafs (8).