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Theodore Ts'o	a418d3a	1997-04-26 14:00:26 +0000	[diff] [blame]	1	.\" -- nroff --
				2	.\" Copyright 1993, 1994, 1995 by Theodore Ts'o. All Rights Reserved.
				3	.\" This file may be copied under the terms of the GNU Public License.
				4	.\"
Theodore Ts'o	74becf3	1997-04-26 14:37:06 +0000	[diff] [blame]	5	.TH DUMPE2FS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
Theodore Ts'o	3839e65	1997-04-26 13:21:57 +0000	[diff] [blame]	6	.SH NAME
				7	dumpe2fs \- dump filesystem information
				8	.SH SYNOPSIS
				9	.B dumpe2fs
Theodore Ts'o	5c57647	1997-04-29 15:29:49 +0000	[diff] [blame]	10	[
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	11	.B \-bfhV
Theodore Ts'o	5c57647	1997-04-29 15:29:49 +0000	[diff] [blame]	12	]
				13	[
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	14	.B \-ob
				15	.I superblock
Theodore Ts'o	02e7dd9	1999-06-18 00:48:41 +0000	[diff] [blame]	16	]
				17	[
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	18	.B \-oB
				19	.I blocksize
Theodore Ts'o	02e7dd9	1999-06-18 00:48:41 +0000	[diff] [blame]	20	]
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	21	.I device
Theodore Ts'o	3839e65	1997-04-26 13:21:57 +0000	[diff] [blame]	22	.SH DESCRIPTION
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	23	.B dumpe2fs
Theodore Ts'o	3839e65	1997-04-26 13:21:57 +0000	[diff] [blame]	24	prints the super block and blocks group information for the filesystem
				25	present on
				26	.I device.
				27	.PP
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	28	.B dumpe2fs
Theodore Ts'o	3839e65	1997-04-26 13:21:57 +0000	[diff] [blame]	29	is similar to Berkeley's
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	30	.B dumpfs
Theodore Ts'o	3839e65	1997-04-26 13:21:57 +0000	[diff] [blame]	31	program for the BSD Fast File System.
Theodore Ts'o	5c57647	1997-04-29 15:29:49 +0000	[diff] [blame]	32	.SH OPTIONS
				33	.TP
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	34	.B \-b
Theodore Ts'o	5c57647	1997-04-29 15:29:49 +0000	[diff] [blame]	35	print the blocks which are reserved as bad in the filesystem.
				36	.TP
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	37	.BI \-ob " superblock"
				38	use the block
				39	.I superblock
				40	when examining the filesystem.
Theodore Ts'o	02e7dd9	1999-06-18 00:48:41 +0000	[diff] [blame]	41	This option is not usually needed except by a filesystem wizard who
				42	is examining the remains of a very badly corupted filesystem.
				43	.TP
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	44	.BI \-oB " blocksize"
				45	use blocks of
				46	.I blocksize
				47	bytes when examining the filesystem.
Theodore Ts'o	02e7dd9	1999-06-18 00:48:41 +0000	[diff] [blame]	48	This option is not usually needed except by a filesystem wizard who
				49	is examining the remains of a very badly corupted filesystem.
				50	.TP
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	51	.B \-f
Theodore Ts'o	2740156	1999-09-14 20:11:19 +0000	[diff] [blame]	52	force dumpe2fs to display a filesystem even though it may have some
				53	filesystem feature flags which dumpe2fs may not understand (and which
				54	can cause some of dumpe2fs's display to be suspect).
				55	.TP
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	56	.B \-h
Theodore Ts'o	2740156	1999-09-14 20:11:19 +0000	[diff] [blame]	57	only display the superblock information and not any of the block
				58	group descriptor detail information.
				59	.TP
Theodore Ts'o	caf8ce4	1999-10-21 19:56:34 +0000	[diff] [blame]	60	.B \-V
Theodore Ts'o	583ccdc	1997-05-09 03:06:31 +0000	[diff] [blame]	61	print the version number of
				62	.B dumpe2fs
				63	and exit.
Theodore Ts'o	3839e65	1997-04-26 13:21:57 +0000	[diff] [blame]	64	.SH BUGS
				65	You need to know the physical filesystem structure to understand the
				66	output.
				67	.SH AUTHOR
				68	.B dumpe2fs
Theodore Ts'o	583ccdc	1997-05-09 03:06:31 +0000	[diff] [blame]	69	was written by Remy Card <card@masi.ibp.fr>, the developer and maintainer
Theodore Ts'o	3839e65	1997-04-26 13:21:57 +0000	[diff] [blame]	70	of the ext2 fs.
				71	.SH AVAILABILITY
				72	.B dumpe2fs
Theodore Ts'o	a789d84	1998-03-30 01:20:55 +0000	[diff] [blame]	73	is part of the e2fsprogs package and is available for anonymous
				74	ftp from tsx-11.mit.edu in /pub/linux/packages/ext2fs.
Theodore Ts'o	3839e65	1997-04-26 13:21:57 +0000	[diff] [blame]	75	.SH SEE ALSO
				76	.BR e2fsck (8),
				77	.BR mke2fs (8),
				78	.BR tune2fs (8)