4.3BSD - /usr/man/cat8/clri.0

CLRI(8)                                                                CLRI(8)


NAME
       clri - clear i-node

SYNOPSIS
       /etc/clri filesystem i-number ...

DESCRIPTION
       N.B.:  Clri is obsoleted for normal file system repair work by fsck(8).

       Clri writes zeros on the i-nodes with  the  decimal  i-numbers  on  the
       filesystem.   After  clri, any blocks in the affected file will show up
       as ‘missing’ in an icheck(8) of the filesystem.

       Read and write permission is required  on  the  specified  file  system
       device.  The i-node becomes allocatable.

       The  primary purpose of this routine is to remove a file which for some
       reason appears in no directory.  If it is used to zap an  i-node  which
       does  appear  in  a  directory,  care should be taken to track down the
       entry and remove it.  Otherwise, when the i-node is reallocated to some
       new  file,  the old entry will still point to that file.  At that point
       removing the old entry will destroy the new file.  The new  entry  will
       again  point  to an unallocated i-node, so the whole cycle is likely to
       be repeated again and again.

SEE ALSO
       icheck(8)

BUGS
       If the file is open, clri is likely to be ineffective.


4th Berkeley Distribution       April 27, 1985                         CLRI(8)