GNU Screen: how to bind Alt + Left Arrow & Alt + Right Arrow to prev/next

for a simple way to switch between GNU Screen ‘screens’ using Alt + Arrow key, use the below key bindings in your .screenrc file

# Arrow keys to switch terminals (only works with X) 
# Alt + left 
bindkey ^[[1;3D prev 
# Alt + right 
bindkey ^[[1;3C next 

note:

• don’t use Ctrl + Alt + Left/Rigth Arrow as its used by GNOME to swap virtual desktops
• nor firefox style as its used by GNOME Terminal for switching its tabs
• to find out what Alt/Fn/Ctrl characters equal what just execute cat and start typing