Put shortcuts for Reboot, shutdown
Follow these steps :
1. On the desktop right click ----> New----> shortcut .
2. In the location area type (without quotes) "shutdown -r" to reboot, "shutdown -l" to logout, "shutdown -s" to shutdown.
3. In the name for the shortcut type in any name you are comfortable with e.g SHUTDOWN or RESTART etc.
4. Click Finish and its done.
5. Now double-click the icon created to perform the actions.