Shortcut Of Shutdown

You can create a shortcut icon of Shutdown or Restart. So lets start
Right click on your desktop
Go to " New " then " Shortcut "
When you create a shortcut then open a new window with the icon of shortcut.
Here you type in new window bar

shutdown -s -t 01 -c      ( for shutdown )

shutdown -r -t 01 -c      ( for reboot )

Here is 01 is time ( seconds ) for delaying the shutdown or reboot.

-s is command for shutdown

-r is command for rebooting 

-c " messagetext "  display a message in system window and 127 characters can be used.

-f  force to any running application to shutdown.