don't let users reexec init
[unix-history] / usr / src / sbin / dumpfs / dumpfs.8
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1.\" Copyright (c) 1983, 1991 Regents of the University of California.
2.\" All rights reserved.
326e0429 3.\"
0fccfdb8 4.\" %sccs.include.redist.man%
326e0429 5.\"
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6.\" @(#)dumpfs.8 6.2 (Berkeley) %G%
7.\"
8.Dd
9.Dt DUMPFS 8
10.Os BSD 4.2
11.Sh NAME
12.Nm dumpfs
13.Nd dump file system information
14.Sh SYNOPSIS
15.Nm dumpfs
16.Op Ar filesys No \&| Ar device
17.Sh DESCRIPTION
18.Nm Dumpfs
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19prints out the super block and cylinder group information
20for the file system or special device specified.
21The listing is very long and detailed. This
22command is useful mostly for finding out certain file system
23information such as the file system block size and minimum
24free space percentage.
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25.Sh SEE ALSO
26.Xr fs 5 ,
27.Xr disktab 5 ,
28.Xr disklabel 8 ,
29.Xr tunefs 8 ,
30.Xr newfs 8 ,
31.Xr fsck 8
32.Sh HISTORY
33The
34.Nm
35command appeared in
36.Bx 4.2 .