# 2.11BSD#431 - /usr/man/cat8/clri.0

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

    NAME
         clri - clear i-node

    SYNOPSIS
         clri filesystem i-number ...

    DESCRIPTION
         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.  Oth-
         erwise, 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
         fsck(8), icheck(8)

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

    Printed 11/24/99						1

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