Master Foo and the Script Kiddie
Check this out:
http://www.catb.org/~esr/writings/unix-koans/script-kiddie.html
And there are more:
http://www.catb.org/~esr/writings/unix-koans/
http://www.catb.org/~esr/writings/unix-koans/script-kiddie.html
And there are more:
http://www.catb.org/~esr/writings/unix-koans/