RUNAS [ [/noprofile | /profile] [/env] [/netonly] ]
        /smartcard [/user:<UserName>] program

   /noprofile        specifies that the user's profile should not be loaded.
                     This causes the application to load more quickly, but
                     can cause some applications to malfunction.
   /profile          specifies that the user's profile should be loaded.
                     This is the default.
   /env              to use current environment instead of user's.