PHP Magazine, as the name says, it´s a magazine. Completely free, and is so great that i just don´t know where to start, has lots and very well explained contents, very well illustrated, very well designed,...

This manual was written by A.Y. Siu. (…) “and don’t officially represent Mark Shuttleworth, Canonical, or Ubuntu. They are not responsible for the contents of this guide and may not even...

The PDF Edition of Ubuntu Pocket Guide and Reference is available entirely free of charge. It is practically identical to the Print Edition (which costs $9.94, you can buy it at amazon). Over half a million...