All control messages (other then ``cancel'')  are  carried  out  by
scripts.   Your system must be able to exec shell scripts directly.  All
the scripts distributed with INN start with ``#! /bin/sh.''

     The _PATH_CONTROLPROGS  parameter  specifies  the  directory  where
these  scripts  exist.   Do not set this to a public directory like /bin
because some bozo might send out an ``rm'' control message.

     The _PATH_RNEWSPROGS directory serves the same  purpose  for  rnews
when  it needs to unpack batches.  The RNEWSPROGS parameter specifies if
the directory is really used.