Phoronix: A Newbie's Guide To RandR 1.2

Recently there has been much talk about RandR 1.2 support with RadeonHD and Nouveau (among other drivers), and as a result we have been asked many times now "what is RandR, and why do I care?" Well, RandR is the "Resize and Rotate" extension in X.Org and the v1.2 update introduces new functionality such as dynamic hot-plugging support for display devices. To help those who may be new to Linux or just never took advantage of this X.Org technology, we have written a brief guide with some of the RandR basics.

http://www.phoronix.com/vr.php?view=11485