BASH Tutorials:

• Learning the shell, William Shotts
  • "I once heard an author remark that when you are a child you use a computer by looking at the pictures. When you grow up, you learn to read and write."
• Introduction to Command Line Linux, Eric Nodwell
  • ". . .  the command-line requires some deliberate learning, and reading documentation. The benefit. . .   is that you will learn the tools and tricks of the command line which are in many cases faster, more powerful, and more flexible than any GUI program."
• RUTE User's Tutorial and Exposition, Paul Sheer,
  • "Whereas books shelved beside this one will get your feet wet, this one lets you actually paddle for a bit, then thrusts your head underwater while feeding you oxygen."