Today, I stumbled upon the following links, which seem to be what could get someone started with LaTeX. Andrew Roberts has done an exceptional job. His tutorials cover topics both for the absolute beginner and the medium experienced user. This is a must read! Actually, I found out about the above tutorials by this post, [...]

My quest for the best AWK tutorial has reached an end. The University of Georgia has set up a guide, small in size, but with content of high quality, which can help someone that knows the basics of programming to get started quickly. Of course, there are many other free online high quality guides, but [...]

I had made a post in the past about an awesome sed tutorial by Bruce Barnett. This is not his only tutorial though. His web site contains high quality information about awk, bash, regex, csh etc. I highly recommend it.

The Red Hat RPM Guide is available under the Open Publication Licence (OPL) at: http://fedora.redhat.com/docs/drafts/rpm-guide-en/ This is an excellent document that covers all aspects of the Red Hat Package Management system, not only providing general RPM usage information, but also includes in depth reference to RPM package creation and other advanced topics. You should definitely [...]

SED is powerful. It can, besides many other things, substitute, append, remove characters or groups of characters or whole lines in a text file or the console output. You may find it difficult to use, but here is an excellent web page that will help you get going: