Within the latest version of Raspbian for Robots / Buster, (this is also true for Stretch), the power button on the GoPiGo driver board, the “Shutdown” icon on the Dexter desktop, and the “shutdown” terminal command have different end-results.
The best and most desirable result is the one obtained by the power button. It brings everything to a complete halt and removes power from the Raspberry Pi. The other “shutdown” command options do not do this.
Is it possible to modify the behavior of the desktop “shutdown” icon and/or the system “shutdown” command to duplicate the end-behavior of the power button?