SYS("gsettings set org.gnome.Terminal.Legacy.Profile:/org/gnome/terminal/legacy/profiles:/:.../ font 'Ubuntu Mono 1'")

   CLR-SCR
   HIDE-CURSOR

   GOSUB( Animate a Pendulum )

   SYS("gsettings set org.gnome.Terminal.Legacy.Profile:/org/gnome/terminal/legacy/profiles:/:.../ font 'Ubuntu Mono 12'")
   SHOW-CURSOR