/TO=(operator[,...])

    Specifies one or more operators to whom you want to send the
    message. Possible keywords are as follows:

    CARDS              Sends the message to operators designated to
                       respond to card reader requests.

    CENTRAL            Sends the message to the central system
                       operator.

    CLUSTER            Sends the message to operators designated to
                       respond to cluster-related requests.

    DEVICES            Sends the message to operators who mount and
                       dismount disks.

    DISKS              Sends the message to operators who mount and
                       dismount disk volumes.

    NETWORK            Sends the message to the network operator.

    OPER1 to OPER12    Sends the message to operators identified as
                       OPER1 to OPER12.

    PRINTER            Sends the message to operators designated to
                       handle print requests.

    SECURITY           Sends the message to operators designated to
                       respond to security-related requests.

    TAPES              Sends the message to operators designated to
                       mount and dismount tape volumes.