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

NAME
     dduummppffss - dump file system information

SYNOPSIS
     dduummppffss [filesys | device]

DESCRIPTION
     DDuummppffss prints out the super block and cylinder group information for the
     file system or special device specified.  The listing is very long and
     detailed.  This command is useful mostly for finding out certain file
     system information such as the file system block size and minimum free
     space percentage.

SEE ALSO
     fs(5), fsck(8), newfs(8), tunefs(8)

HISTORY     The dduummppffss command appeared in 4.2BSD.

4.2 Berkeley Distribution        June 5, 1993        4.2 Berkeley Distribution