bsd man page for dumpfs

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

NAME
       dumpfs - dump file system information

SYNOPSIS
       dumpfs filesys|device

DESCRIPTION
       Dumpfs 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), disktab(5), tunefs(8), newfs(8), fsck(8)

4.2 Berkeley Distribution					  April 27, 1985							 DUMPFS(8)