dumpfs man page on OpenBSD

dumpfs man page on OpenBSD

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DUMPFS(8)		OpenBSD System Manager's Manual		     DUMPFS(8)

NAME
     dumpfs - dump file system information

SYNOPSIS
     dumpfs [-m] filesys | device

DESCRIPTION
     dumpfs prints out the super block and cylinder group information for the
     file system or special device specified, unless -m is specified.  The
     listing is very long and detailed.

     dumpfs is useful mostly for finding out certain file system information
     such as the file system block size, minimum free space percentage, and
     the file system level that can be upgraded with the -c option of
     fsck_ffs(8).  All of this information can be found within the first
     twenty lines of the output.

     If -m is specified, a newfs(8) command is output that can be used to
     generate a new file system with equivalent settings.

SEE ALSO
     disktab(5), fs(5), disklabel(8), fsck(8), fsck_ffs(8), growfs(8),
     newfs(8), tunefs(8)

HISTORY
     The dumpfs command appeared in 4.2BSD.

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9

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