--[ find, grep, sed, awk ]

find
- The Geek Stuff – 15 Find Commands
- The Geek Stuff – 15 More Find Commands
- IBM – Advanced Find Techniques

grep

- The Geek Stuff – 15 Grep Commands

sed
- John Cook – Learn a little sed
- The Geek Stuff – Sed Tips and Tricks
- Bruce Barnett – Sed Tutorial and Introduction
- Famous sed one-liners explained

awk
- Greg Grothaus – Why you should learn just a little awk
- The Geek Stuff – 8 Powerful Awk Built-in Variables
- Steve’s awk academy
- Bruce Barnett – Awk Tutorial and Introduction
- Simple awk tutorial
- Famous awk one-liners explained

Motivation/Philospophy:
- John Cook on [Greg Grothaus on awk]
General command-line introduction:
- The Geek Stuff – 50 Linux Commands