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Make fsdb(8) a little easier to find with some cross references.

.\"	$OpenBSD: fsck.8,v 1.21 2003/03/06 09:47:18 hugh Exp $
.\"	$NetBSD: fsck.8,v 1.14 1996/10/03 20:08:29 christos Exp $
.\"
.\" Copyright (c) 1996 Christos Zoulas.  All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
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.\"	This product includes software developed by Christos Zoulas.
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.Dd September 23, 1996
.Dt FSCK 8
.Os
.Sh NAME
.Nm fsck
.Nd filesystem consistency check and interactive repair
.Sh SYNOPSIS
.Nm fsck
.Op Fl dvpfny
.Op Fl l Ar maxparallel
.Op Fl t Ar fstype
.Op Fl T Ar fstype:fsoptions
.Ar special | node ...
.Sh DESCRIPTION
The
.Nm
command invokes filesystem-specific programs to check the
special devices listed in the
.Xr fstab 5
file or on the command line for consistency.
The options are as follows:
.Bl -tag -width Ds
.It Fl d
Debugging mode.
Just print the commands without executing them.
Available only if
.Nm
is compiled to support it.
.It Fl f
Force checking of filesystems, even when they are marked clean (for filesystems
that support this).
.It Fl l Ar maxparallel
Limit the number of parallel checks to
.Ar maxparallel .
By default, the limit is the number of
disks, running one process per disk.
If a smaller limit is given,
the disks are checked round-robin, one filesystem at a time.
.It Fl n
Cause
.Nm
to assume
.Dq no
as the answer to all operator questions, except
.Dq CONTINUE? .
This is assumed to be the default when dealing with filesystems currently
mounted writeable.
.It Fl p
Enter preen mode.
.It Fl t Ar fstype
Invoke fsck only in the comma separated list of filesystem types.
If the list starts with
.Dq no ,
invoke fsck only in the filesystem types that are
.Em not
specified in
the list.
.It Fl v
Print the commands before executing them.
.It Fl y
Cause
.Nm
to assume
.Dq yes
as the answer to all operator questions.
.It Fl T Ar fstype:fsoptions
List of comma separated filesystem specific options for the specified
filesystem type, in the same format as
.Xr mount 8 .
.El
.Sh FILES
.Bl -tag -width /etc/fstab -compact
.It Pa /etc/fstab
filesystem table
.El
.Sh SEE ALSO
.Xr fstab 5 ,
.Xr fsck_ext2fs 8 ,
.Xr fsck_ffs 8 ,
.Xr fsck_msdos 8 ,
.Xr fsdb 8 ,
.Xr mount 8