1*e4ec9e7aSlukem.\" $NetBSD: dumpfs.8,v 1.10 2001/08/14 01:02:02 lukem Exp $ 20114e805Scgd.\" 3ccfa3742Smycroft.\" Copyright (c) 1983, 1991, 1993 4ccfa3742Smycroft.\" The Regents of the University of California. All rights reserved. 561f28255Scgd.\" 661f28255Scgd.\" Redistribution and use in source and binary forms, with or without 761f28255Scgd.\" modification, are permitted provided that the following conditions 861f28255Scgd.\" are met: 961f28255Scgd.\" 1. Redistributions of source code must retain the above copyright 1061f28255Scgd.\" notice, this list of conditions and the following disclaimer. 1161f28255Scgd.\" 2. Redistributions in binary form must reproduce the above copyright 1261f28255Scgd.\" notice, this list of conditions and the following disclaimer in the 1361f28255Scgd.\" documentation and/or other materials provided with the distribution. 1461f28255Scgd.\" 3. All advertising materials mentioning features or use of this software 1561f28255Scgd.\" must display the following acknowledgement: 1661f28255Scgd.\" This product includes software developed by the University of 1761f28255Scgd.\" California, Berkeley and its contributors. 1861f28255Scgd.\" 4. Neither the name of the University nor the names of its contributors 1961f28255Scgd.\" may be used to endorse or promote products derived from this software 2061f28255Scgd.\" without specific prior written permission. 2161f28255Scgd.\" 2261f28255Scgd.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2361f28255Scgd.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2461f28255Scgd.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2561f28255Scgd.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2661f28255Scgd.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2761f28255Scgd.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2861f28255Scgd.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2961f28255Scgd.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3061f28255Scgd.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3161f28255Scgd.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3261f28255Scgd.\" SUCH DAMAGE. 3361f28255Scgd.\" 340114e805Scgd.\" @(#)dumpfs.8 8.1 (Berkeley) 6/5/93 35346aa5ddScgd.\" 36*e4ec9e7aSlukem.Dd August 14, 2001 3761f28255Scgd.Dt DUMPFS 8 38d1407362Sgarbled.Os 3961f28255Scgd.Sh NAME 4061f28255Scgd.Nm dumpfs 4161f28255Scgd.Nd dump file system information 4261f28255Scgd.Sh SYNOPSIS 430dbf4ab9Slukem.Nm 44*e4ec9e7aSlukem.Op Fl F 45*e4ec9e7aSlukem.Ar filesys No \&| Ar device 46*e4ec9e7aSlukem.Op Ar \&.\&.\&. 4761f28255Scgd.Sh DESCRIPTION 480dbf4ab9Slukem.Nm 4961f28255Scgdprints out the super block and cylinder group information 50*e4ec9e7aSlukemfor the specified file systems or special devices, or if 51*e4ec9e7aSlukem.Fl F 52*e4ec9e7aSlukemis used, file system images (in regular files). 530dbf4ab9SlukemThe listing is very long and detailed. 540dbf4ab9Slukem.Pp 550dbf4ab9Slukem.Nm 560dbf4ab9Slukemis useful mostly for finding out certain file system 570dbf4ab9Slukeminformation such as the file system block size, minimum 580dbf4ab9Slukemfree space percentage, and the file system level that 590dbf4ab9Slukemcan be upgraded with the 600dbf4ab9Slukem.Fl c 610dbf4ab9Slukemoption of 620dbf4ab9Slukem.Xr fsck_ffs 8 . 630dbf4ab9SlukemAll of this information can be found within the first twenty 640dbf4ab9Slukemlines of the output. 6561f28255Scgd.Sh SEE ALSO 6661f28255Scgd.Xr disktab 5 , 670dbf4ab9Slukem.Xr fs 5 , 6861f28255Scgd.Xr disklabel 8 , 690dbf4ab9Slukem.Xr fsck 8 , 70a18d6f19Slukem.Xr fsck_ffs 8 , 7161f28255Scgd.Xr newfs 8 , 720dbf4ab9Slukem.Xr tunefs 8 7361f28255Scgd.Sh HISTORY 7461f28255ScgdThe 7561f28255Scgd.Nm 7661f28255Scgdcommand appeared in 7761f28255Scgd.Bx 4.2 . 78