4.3BSD-UWisc/man/cat8/fsirand.8

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FSIRAND(8)          UNIX Programmer's Manual           FSIRAND(8)



NAME
     fsirand - install random inode generation numbers

SYNOPSIS
     fsirand [ -p ] special

DESCRIPTION
     _F_s_i_r_a_n_d installs random inode generation numbers on all the
     inodes on device _s_p_e_c_i_a_l, and also installs a filesystem ID
     in the superblock.  This helps increase the security of
     filesystems exported by NFS.

     _F_s_i_r_a_n_d must be used only on an unmounted filesystem that
     has been checked with _f_s_c_k(8).  The only exception is that
     it can be used on the root filesystem in single-user mode,
     if the system is immediately re-booted afterwords.

OPTIONS
     -p   Print out the generation numbers for all the inodes,
          but do not change the generation numbers.



































Printed 12/27/86         1 February 1985                        1