::GUICLI
CLIGUI(@Raspbian)
raspi-config
$ startx GUIreboot
$ sudo raspi-config nonint do_boot_behaviour B1 GUI
$ sudo raspi-config nonint do_boot_behaviour B3 CLI
$ sudo reboot


@Ubuntu Mate
$ sudo systemctl set-default multi-user <- CLI boot
$ sudo systemctl set-default graphical <- GUI boot