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.
5 .TH DUMPE2FS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
7 dumpe2fs \- dump ext2/ext3 filesystem information
14 .B \-o superblock=\fIsuperblock
17 .B \-o blocksize=\fIblocksize
22 prints the super block and blocks group information for the filesystem
27 is similar to Berkeley's
29 program for the BSD Fast File System.
33 print the blocks which are reserved as bad in the filesystem.
35 .B \-o superblock=\fIsuperblock
38 when examining the filesystem.
39 This option is not usually needed except by a filesystem wizard who
40 is examining the remains of a very badly corrupted filesystem.
42 .B \-o blocksize=\fIblocksize
45 bytes when examining the filesystem.
46 This option is not usually needed except by a filesystem wizard who
47 is examining the remains of a very badly corrupted filesystem.
50 force dumpe2fs to display a filesystem even though it may have some
51 filesystem feature flags which dumpe2fs may not understand (and which
52 can cause some of dumpe2fs's display to be suspect).
55 only display the superblock information and not any of the block
56 group descriptor detail information.
59 display the filesystem data from an image file created by
63 as the pathname to the image file.
66 print the detailed group information block numbers in hexadecimal format
69 print the version number of
73 You need to know the physical filesystem structure to understand the
77 was written by Remy Card <Remy.Card@linux.org>. It is currently being
78 maintained by Theodore Ts'o <tytso@alum.mit.edu>.
81 is part of the e2fsprogs package and is available from
82 http://e2fsprogs.sourceforge.net.