Bash
A quick guide to writing scripts using the bash shell - (82 visits)
http://pegasus.rutgers.edu/~elflord/unix/bash-tute.html
Advanced Bash-Scripting Guide - An in-depth exploration of the art of shell scripting (67 visits)
http://www.tldp.org/LDP/abs/html/
Converting DOS Batch Files to Shell Scripts - (63 visits)
http://www.tldp.org/LDP/abs/html/dosbatch.html
Deadman.org: Advancing in the Bash Shell - "If you've ever used GNU/Linux, chances are good that you've used bash. Some people hold the belief that using a GUI is faster than using a CLI. These people have obviously never seen someone who uses a shell proficiently. In this tutorial, I hope to show you just a few of the amazing features bash provides that will increase your productivity in the shell." (49 visits)
http://www.deadman.org/bash.html