As a systems hacker, you must be prepared to do savage things, unspeakable things, to kill runaway threads with your bare hands, to write directly to network ports using telnet and an old copy of an RFC that you found in the Vatican.
Have you ever wondered how tar tastes? If you ever visit Finland you will have plenty of options to try out. We have, for example, tar-flavoured lemonade, tar-flavoured candy, tar-flavoured alcohol, and even, as it turns out, tar-flavoured ice-cream.