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!'' -=<+>=-