I have to write two program so that they are like this: 1. The master program can be run by all users without administrator rights, while the slave one requires admin rights. [This can be done with #RequireAdmin written in the slave one.] 2. The users interact with the master. The master then commands the slave and the slave do the job. ["Doing the job" can be done by entering the "job" script in the slave program.] But how can I write so that the master can COMMAND the slave? Not o