Shell Commands/Login

Login - Logs in as a different user

-g=GUI/S, -f=FORCE/S, -p=PRESERVE/S, -a=ALL/S, -h=HOST/K, USERNAME

GUI      - Opens a graphical login prompt with options to reboot and shutdown
FORCE    - User is preauthenticated and no authentication is performed
PRESERVE - Preserves the environment
ALL      - 
HOST     - Name of the remote host for this login
USERNAME - Name of the user to be logged in