How to pass arguments to command prompt?

Question

Hi,,

        i want to run some command in the command prompt at back-end side.so can u plz tell me how can i run commands in command prompt at back-end side??

e.g.when user selects any folder using folderbrowsing ,i want to hide that folder using attrib command .i want to run all this things in back-end...

Thanks in advance....Please help me...I am waiting for sollution.