V3/usr/man/man8/clri.8

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NAME		clri -- clear i-node
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SYNOPSIS	clri i-number [ file system ]
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DESCRIPTION	clri____
writes zeros on the 32 bytes occupied by the i-node
numbered
.ul
i-number.
If the
.ul
file system
argument is given, the i-node resides on
the given device, otherwise on a
default file system.
The file system argument
must be a special file
name referring to a device
containing a file system.

After clri____, any blocks
in the affected file
will show up as "missing" in a check_____ of
the file system.

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.
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DIAGNOSTICS	"error"