freebsd-skq/sbin/dumpfs/dumpfs.8
pav 4ee2adff4a Replace incomprehensive description of -m by much clearer text from OpenBSD,
with the exception of one word.

PR:		docs/112465
Submitted by:	naddy
Obtained from:	OpenBSD
MFC after:	1 week
2007-05-12 22:35:22 +00:00

72 lines
2.4 KiB
Groff

.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
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.\" @(#)dumpfs.8 8.1 (Berkeley) 6/5/93
.\" $FreeBSD$
.\"
.Dd January 19, 2003
.Dt DUMPFS 8
.Os
.Sh NAME
.Nm dumpfs
.Nd dump file system information
.Sh SYNOPSIS
.Nm
.Op Fl m
.Ar filesys | device
.Sh DESCRIPTION
The
.Nm
utility prints out the super block and cylinder group information
for the file system or special device specified, unless
.Fl m
is specified.
The listing is very long and detailed.
This
command is useful mostly for finding out certain file system
information such as the file system block size and minimum
free space percentage.
.Pp
If
.Fl m
is specified, a
.Xr newfs 8
command is printed that can be used to generate a new file system
with equivalent settings.
.Sh SEE ALSO
.Xr disktab 5 ,
.Xr fs 5 ,
.Xr disklabel 8 ,
.Xr fsck 8 ,
.Xr newfs 8 ,
.Xr tunefs 8
.Sh HISTORY
The
.Nm
utility appeared in
.Bx 4.2 .