Geek: Santa Claus Is Coming to Town

I can’t remember the first time I saw this, but I was recently reminded of it via BoingBoing and it’s still funny :-)

better !pout !cry
better watchout
lpr why
santa claus <north pole >town

cat /etc/passwd >list
ncheck list
ncheck list
cat list | grep naughty >nogiftlist
cat list | grep nice >giftlist
santa claus <north pole > town

who | grep sleeping
who | grep awake
who | egrep 'bad|good'
for (goodness sake) {
be good
}