I found this link while browsing the forums over at http://www.raspberrypi.org/
http://www.makeuseof.com/pages/linux-commands-reference-pdf
There is stacks of Linux "how to" guides, go on fill your boots up!!
Andy
Linux PDF's
Linux PDF's
Last edited by Andy Horn on June 9th, 2012, 9:13 pm, edited 2 times in total.