gnome-shell

• Super+m: show notification list
• Super+a: show application grid
• Alt+Tab: cycle active applications
• Alt+ (the key above Tab on US keyboard layouts): cycle windows of the application in the foreground
• Alt+F2: then enter r or restart: restart the shell in case of graphical shell problems (only in X/legacy mode, not in Wayland mode).

# Launch gnome from tty
XDG_SESSION_TYPE=wayland dbus-run-session gnome-session