Several restrictions can be placed upon the use of any option
o Adjust the priority of an option so that runs at a lower or
o Disallow the use of an option at certain [TIMES].
o Restrict the use of an option to certain, specified [DEVICES].
o Or any combination of the above restrictions on one or more
in the OPTION file. The Site Manager or Security officer can
disallow the use of a particular option by:
o Marking that option as '[OUT-OF-ORDER]' so that no one can use
o Place a [LOCK] on an option so that only those users with the
proper key can use it.