e4ec9e7a11
- add -F flag to specify "argument is an fs image" (effectively a no-op, but here for consistency with other tools).
78 lines
2.8 KiB
Groff
78 lines
2.8 KiB
Groff
.\" $NetBSD: dumpfs.8,v 1.10 2001/08/14 01:02:02 lukem Exp $
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.\"
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.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)dumpfs.8 8.1 (Berkeley) 6/5/93
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.\"
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.Dd August 14, 2001
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.Dt DUMPFS 8
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.Os
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.Sh NAME
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.Nm dumpfs
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.Nd dump file system information
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.Sh SYNOPSIS
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.Nm
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.Op Fl F
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.Ar filesys No \&| Ar device
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.Op Ar \&.\&.\&.
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.Sh DESCRIPTION
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.Nm
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prints out the super block and cylinder group information
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for the specified file systems or special devices, or if
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.Fl F
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is used, file system images (in regular files).
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The listing is very long and detailed.
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.Pp
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.Nm
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is useful mostly for finding out certain file system
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information such as the file system block size, minimum
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free space percentage, and the file system level that
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can be upgraded with the
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.Fl c
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option of
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.Xr fsck_ffs 8 .
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All of this information can be found within the first twenty
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lines of the output.
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.Sh SEE ALSO
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.Xr disktab 5 ,
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.Xr fs 5 ,
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.Xr disklabel 8 ,
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.Xr fsck 8 ,
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.Xr fsck_ffs 8 ,
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.Xr newfs 8 ,
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.Xr tunefs 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.2 .
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