better !pout !cry
better watchout
lpr why
santa claus town

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

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