Preface
If I had to take a wild guess, I'd say that you are reading these lines because, like me, you spend quite some time dealing with Unix systems. Be it because your job requires you to, or you simply love to poke around an operating system's internals, the shell is arguably how you deal with most of your activities.
Historically, shells were conceived for speeding up our work, but we all know that at some point, what was supposed to be a leaner way to get things done turned into a slugfest of arcane symbols and impossibly long-to-remember lines of code.
Wouldn't it be great then, if we could squeeze just a bit more out of our system? Imagine the things you are currently doing and being able to do them in a more efficient, elegant way, even ...
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