.TH DUMPFS 8 "4 March 1983" .UC 4 .SH NAME dumpfs \- dump file system information .SH SYNOPSIS .B dumpfs .I device .SH DESCRIPTION .I Dumpfs prints out the super block and cylinder group information for the file system associated with the 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. .SH "SEE ALSO" fs(5), disktab(5), tunefs(8), newfs(8), fsck(8)