Learning the command line well is probably the first thing that they need to do. This book will help them get started. I recently started working through it aft

Learning the command line well is probably the first thing that they need to do. This book will help them get started. I recently started working through it after seeing it recommended on HN. I'm not finished, so I don't know if it covers everything that you wanted, but it seems pretty thorough. http://linuxcommand.org/tlcl.php http://linuxcommand.org/tlcl.php