This post is going to be quick start guide for using the Intel Galileo with the "IoT Linux" image.
First you'll need to download the image from here.
Note: Intel keeps changing their website layout. I try to keep up with these changes but I only update it in my new blog here: https://navinbhaskar.wordpress.com/2015/01/03/getting-started-with-intel-galileo-gen-2-with-the-iot-linux-image/