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1 perry 1 DUMPE2FS
2 !!!DUMPE2FS
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 BUGS
8 AUTHOR
9 AVAILABILITY
10 SEE ALSO
11 ----
12 !!NAME
13
14
15 dumpe2fs - dump filesystem information
16 !!SYNOPSIS
17
18
19 __dumpe2fs__ [[ __-bfhixV__ ] [[ __-ob__
20 ''superblock'' ] [[ __-oB__ ''blocksize'' ]
21 ''device''
22 !!DESCRIPTION
23
24
25 __dumpe2fs__ prints the super block and blocks group
26 information for the filesystem present on
27 ''device.''
28
29
30 __dumpe2fs__ is similar to Berkeley's __dumpfs__
31 program for the BSD Fast File System.
32 !!OPTIONS
33
34
35 __-b__
36
37
38 print the blocks which are reserved as bad in the
39 filesystem.
40
41
42 __-ob__ ''superblock''
43
44
45 use the block ''superblock'' when examining the
46 filesystem. This option is not usually needed except by a
47 filesystem wizard who is examining the remains of a very
48 badly corupted filesystem.
49
50
51 __-oB__ ''blocksize''
52
53
54 use blocks of ''blocksize'' bytes when examining the
55 filesystem. This option is not usually needed except by a
56 filesystem wizard who is examining the remains of a very
57 badly corupted filesystem.
58
59
60 __-f__
61
62
63 force dumpe2fs to display a filesystem even though it may
64 have some filesystem feature flags which dumpe2fs may not
65 understand (and which can cause some of dumpe2fs's display
66 to be suspect).
67
68
69 __-h__
70
71
72 only display the superblock information and not any of the
73 block group descriptor detail information.
74
75
76 __-i__
77
78
79 display the filesystem data from an image file created by
80 __e2image__, using ''device'' as the pathname to the
81 image file.
82
83
84 __-x__
85
86
87 print the detailed group information block numbers in
88 hexadecimal format
89
90
91 __-V__
92
93
94 print the version number of __dumpe2fs__ and
95 exit.
96 !!BUGS
97
98
99 You need to know the physical filesystem structure to
100 understand the output.
101 !!AUTHOR
102
103
104 __dumpe2fs__ was written by Remy Card
105 __
106 !!AVAILABILITY
107
108
109 __dumpe2fs__ is part of the e2fsprogs package and is
110 available from
111 http://e2fsprogs.sourceforge.net.
112 !!SEE ALSO
113
114
2 perry 115 e2fsck(8), __mke2fs__(8),
116 tune2fs(8)
1 perry 117 ----
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