Bashful tips
Bash is one of the most popular Linux shells available. Heck, it is even the default shell for Mac OS X. 
How many of us use the full power of our shells? I, for one, don't that is why I found this tutorial very informative.
Are you confused by the plethora of testing and comparison options in the Bash shell? This tip helps you demystify the various types of file, Arithmetic, and string tests so you will always know when to use test, [ ], [[ ]], (( )), or if-then-else constructs.
It makes me become an even better command-line interface junkie! What is more important is that it helps you in passing the LPI certification exams! 