.\"	$NetBSD: fsck_v7fs.8,v 1.3 2016/09/11 04:19:52 sevan Exp $
.\"
.\" Copyright (c) 2011 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by UCHIYAMA Yasushi.
.\"
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.Dd September 11, 2016
.Dt FSCK_V7FS 8
.Os
.Sh NAME
.Nm fsck_v7fs
.Nd 7th Edition(V7) filesystem consistency checker
.Sh SYNOPSIS
.Nm
.Op Fl FnPpy
.Op Fl B Ar byteorder
.Op Fl o Ar options
.Ar filesystem ...
.Sh DESCRIPTION
The
.Nm
utility verifies and repairs
.Tn Version 7
file systems.
.Pp
The following flags are interpreted by
.Nm .
.Bl -tag -width XBXbyteorderXX -offset indent
.It Fl B Ar byteorder
Convert the file system metadata to
.Ar byteorder
byte order if needed.
Valid byte orders are
.Dq be ,
.Dq le ,
and
.Dq pdp .
.It Fl F
Check file system inside a regular file.
.It Fl n
Do not correct file system.
.It Fl o
Options are specified with a
.Fl o
flag followed by a comma separated string of options.
The following options are available:
.Bl -tag -width data
.It Cm data
Check data block duplication.
.It Cm free
Check free block duplication.
.El
.It Fl P
Display a progress meter for the file system check.
.It Fl p
Preen mode.
See
.Xr fsck 8 .
.It Fl y
Causes
.Nm
to assume yes as the answer to all operator questions.
.El
.Sh SEE ALSO
.Xr fsck 8 ,
.Xr mount_v7fs 8 ,
.Xr newfs_v7fs 8
.Sh HISTORY
A
.Nm
utility appeared in
.Nx 6.0 .
.Sh AUTHORS
.Nm
was written by
.An UCHIYAMA Yasushi Aq Mt uch@NetBSD.org .
.Sh BUGS
.Nm
is still under construction.