better !pout !crybetter watchoutlpr whysanta claus < north pole >towncat /etc/passwd >listcheck listcheck listcat list | grep naughty >nogiftlistcat list | grep nice >giftlistsanta claus < north pole >townwho | grep sleepingwho | grep awakewho | egrep ‘bad|good’for (goodness sake) { be good} (by Frank Carey, AT&T Bell Laboratories, 1985)