How to Run Fedora Linux on the MacBook Air Without Touching the SSD

See how easy it is to setup a dual boot to Fedora 18 on your recent model MacBook Air (MBA). You don’t need to install custom boot loaders or touch the internal SSD that contains OSX at all. Instead, take advantage of a high speed USB 3 pen drive as your Linux boot disk. After booting Fedora, graphics and wifi work without any extra tinkering. With the higher end modern USB 3.x pen drives disk performance doesn’t need to crawl, either.