Stop! Whoever crosseth the bridge of Death, must answer first these questions three, ere the other side he see:
``What is your name?''
``Sir Brian of Bell.''
``What is your quest?''
``I seek the Holy Grail.''
``What are four lowercase letters that are not legal flag arguments to the Berkeley UNIX version of `ls'?''
``I, er.... AIIIEEEEEE!''