4.4BSD/usr/share/man/cat8/dumpfs.0

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

NNAAMMEE
     dduummppffss - dump file system information

SSYYNNOOPPSSIISS
     dduummppffss [_f_i_l_e_s_y_s | _d_e_v_i_c_e]

DDEESSCCRRIIPPTTIIOONN
     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.

SSEEEE AALLSSOO
     fs(5),  disktab(5),  disklabel(8),  tunefs(8),  newfs(8),  fsck(8)

HHIISSTTOORRYY
     The dduummppffss command appeared in 4.2BSD.

4.2 Berkeley Distribution        June 5, 1993                                1