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