root@LServer:~# apt-get moo
         (__)
         (oo)
   /------\/
  / |    ||
 *  /\---/\
    ~~   ~~
...."Have you mooed today?"...

root@LServer:~# aptitude --help | tail -n 4 -
 -u             Download new package lists on startup.
 -i             Perform an install run on startup.

                  This aptitude does not have Super Cow Powers.
root@LServer:~# aptitude moo
There are no Easter Eggs in this program.
root@LServer:~# aptitude -v moo
There really are no Easter Eggs in this program.
root@LServer:~# aptitude -vv moo
Didn't I already tell you that there are no Easter Eggs in this program?
root@LServer:~# aptitude -vvv moo
Stop it!
root@LServer:~# aptitude -vvvv moo
Okay, okay, if I give you an Easter Egg, will you go away?
root@LServer:~# aptitude -vvvvv moo
All right, you win.

                               /----\
                       -------/      \
                      /               \
                     /                |
   -----------------/                  --------\
   ----------------------------------------------
root@LServer:~# aptitude -vvvvvv moo
What is it?  It's an elephant being eaten by a snake, of course.