So for this tutorial I am trying to find the echo location for Devkitpro but when i type in echo $DEVKITPRO I get nothing here is a screenshot. I've been trying to set this up on my mac for months. I AM NOT A FAN OF WINDOWS. Screenshot: http://bronzeflames.deviantart.com/art/Screen-Shot-2015-09-09-at-7-45-34-PM-559331378 Please. I don't want to be tied to windows for development.