Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Heavy but effective

I wasn't quite sure what I was letting myself into with 'Hacking Exposed'. In fact, I'm not even sure why I bought it - curiosity, I suppose. Being reasonably computer literate, I expected to find stuff that I might quickly understand. Sadly for me, I guess I'm not as computer savvy as I thought since about 70% of the content went way over my head. That's not the book's fault, since it is well laid out, well thought out and well presented.Maybe what got me in the end was the SUID shell... [tsuiami}$ echo "/bin/cp /bin/sh /tmp/.sh ; /bin/chmod 4755 / tmp/ .sh" /etc/rc.d/rc3.d/s99local (page 369)Any/clues/anyone? I'm;well;lost!Certainly, for anyone who's in touch with 'real' programming, at least 'Hacking' talks about security from an offensive angle. A full catalog of the weaponry that black-hat hackers use is laid out in its full gore.