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NetBSD/usr.sbin/dumpfs/dumpfs.8

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When used without -F, search for `special' in fstab and use the raw version of the fs_spec. In any case, use opendisk(3) to open the device. When used with -F just open `special' as-is.
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.\" $NetBSD: dumpfs.8,v 1.11 2001/11/09 12:01:13 lukem Exp $
convert to new RCS Id conventions; reduce my headache
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.\"
Update from 4.4-Lite, with local changes.
1994-06-08 22:57:30 +04:00
.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
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.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
convert to new RCS Id conventions; reduce my headache
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.\" @(#)dumpfs.8 8.1 (Berkeley) 6/5/93
added rcs ids to all files
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.\"
When used without -F, search for `special' in fstab and use the raw version of the fs_spec. In any case, use opendisk(3) to open the device. When used with -F just open `special' as-is.
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.Dd November 9, 2001
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.Dt DUMPFS 8
More and more .Os cleanups. .Os is defined in the tmac.doc-common file, so we shouldn't override it with versions in the manpages. Many more to come.
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.Os
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.Sh NAME
.Nm dumpfs
.Nd dump file system information
.Sh SYNOPSIS
Determine filesystem level (ref: fsck_ffs(8) -c ...) and display it. Code was derivied from observing how fsck_ffs `upgrades' to a given level, and has been tested on recent NetBSD filesystems (reports as "3"), SunOS ("1"), and ULTRIX ("0"). I haven't found a filesystem of level "2" to test, but the code should detect it. Fixes [bin/1353]
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.Nm
- ansi KNF - add -F flag to specify "argument is an fs image" (effectively a no-op, but here for consistency with other tools).
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.Op Fl F
.Ar filesys No \&| Ar device
.Op Ar \&.\&.\&.
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.Sh DESCRIPTION
Determine filesystem level (ref: fsck_ffs(8) -c ...) and display it. Code was derivied from observing how fsck_ffs `upgrades' to a given level, and has been tested on recent NetBSD filesystems (reports as "3"), SunOS ("1"), and ULTRIX ("0"). I haven't found a filesystem of level "2" to test, but the code should detect it. Fixes [bin/1353]
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.Nm
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prints out the super block and cylinder group information
- ansi KNF - add -F flag to specify "argument is an fs image" (effectively a no-op, but here for consistency with other tools).
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for the specified file systems or special devices, or if
.Fl F
When used without -F, search for `special' in fstab and use the raw version of the fs_spec. In any case, use opendisk(3) to open the device. When used with -F just open `special' as-is.
2001-11-09 15:01:13 +03:00
is used, file system images.
Determine filesystem level (ref: fsck_ffs(8) -c ...) and display it. Code was derivied from observing how fsck_ffs `upgrades' to a given level, and has been tested on recent NetBSD filesystems (reports as "3"), SunOS ("1"), and ULTRIX ("0"). I haven't found a filesystem of level "2" to test, but the code should detect it. Fixes [bin/1353]
1997-04-26 09:41:32 +04:00
The listing is very long and detailed.
.Pp
.Nm
is useful mostly for finding out certain file system
information such as the file system block size, minimum
free space percentage, and the file system level that
can be upgraded with the
.Fl c
option of
.Xr fsck_ffs 8 .
All of this information can be found within the first twenty
lines of the output.
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.Sh SEE ALSO
.Xr disktab 5 ,
Determine filesystem level (ref: fsck_ffs(8) -c ...) and display it. Code was derivied from observing how fsck_ffs `upgrades' to a given level, and has been tested on recent NetBSD filesystems (reports as "3"), SunOS ("1"), and ULTRIX ("0"). I haven't found a filesystem of level "2" to test, but the code should detect it. Fixes [bin/1353]
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.Xr fs 5 ,
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.Xr disklabel 8 ,
Determine filesystem level (ref: fsck_ffs(8) -c ...) and display it. Code was derivied from observing how fsck_ffs `upgrades' to a given level, and has been tested on recent NetBSD filesystems (reports as "3"), SunOS ("1"), and ULTRIX ("0"). I haven't found a filesystem of level "2" to test, but the code should detect it. Fixes [bin/1353]
1997-04-26 09:41:32 +04:00
.Xr fsck 8 ,
fix typo. from msaitoh@spa.is.uec.ac.jp, [misc/3584]
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.Xr fsck_ffs 8 ,
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.Xr newfs 8 ,
Determine filesystem level (ref: fsck_ffs(8) -c ...) and display it. Code was derivied from observing how fsck_ffs `upgrades' to a given level, and has been tested on recent NetBSD filesystems (reports as "3"), SunOS ("1"), and ULTRIX ("0"). I haven't found a filesystem of level "2" to test, but the code should detect it. Fixes [bin/1353]
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.Xr tunefs 8
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.Sh HISTORY
The
.Nm
command appeared in
.Bx 4.2 .
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