moo
PURPOSE
Plays a number-guessing game.
SYNOPSIS
/usr/games/moo
DESCRIPTION
The moo command picks a random four-digit decimal number
with nonrepeating digits. You guess four digits and
score a "cow" with a correct digit in an incorrect posi-
tion and a "bull" with a correct digit in a correct posi-
tion. The game continues until you guess the number.
To quit the game, press INTERRUPT (Alt-Pause) or END OF
FILE (Ctrl-D).