/help Displays this usage message (short form: /? or /h). /nologo Do not display the startup banner and copyright message. ...

/help                                   Displays this usage message 
                                        (short form: /? or /h).

/nologo                                 Do not display the startup banner and 
                                        copyright message.

/nolog                                  Do not create setup log.

/unregister                             Removes the agent's registration from 
                                        the specified controller. 

/addattribute                           Adds an attribute to an agent