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sudo aptitude help
Usage: aptitude [-S fname] [-u|-i]
   aptitude [options] <action> ...
  Actions (if none is specified, aptitude will enter interactive mode):


 This aptitude does not have Super Cow Powers.
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migrated from Sep 19 '09 at 8:20

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sounds like a question for the history books - gave me a good laugh when I saw it :P – Phoshi Sep 19 '09 at 21:08
up vote 62 down vote accepted

I think it's referring to apt-get moo:

$ apt-get moo  
  / |    ||  
 *  /\---/\  
    ~~   ~~  
...."Have you mooed today?"...

To quote Wikipedia:

aptitude states that, unlike Advanced Packaging Tool, it "does not have Super Cow Powers". In apt-get "super cow powers" can be found by issuing the command apt-get moo. However, in aptitude issuing moo will give the user a prompt saying there are no easter eggs.

However, by issuing aptitude -v moo, then aptitude -vv moo, and so on the user will see a series of statements telling them to go away, some ending with a picture not unlike the original apt-get easter egg. Different versions of the program have different sequences.

And, as wRAR commented, the term “Super Cow Powers” is a direct quote from apt-get --help:

This APT has Super Cow Powers.

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haha, no easter eggs indeed. – Carson Myers Sep 19 '09 at 8:15
yes, got to vote twice! – Carson Myers Sep 19 '09 at 8:32
And "Super Cow Powers" is a quote from apt-get --help – wRAR Sep 19 '09 at 9:59
It's a snake eating an elephant of course! – Azz Nov 25 '10 at 7:57
Doesn't really look like a hat to me ;-) – Joey Nov 25 '10 at 9:22

Not so well known, but there is also ip moo:

 _ __ ___   ___   ___
| '_ ` _ \ / _ \ / _ \
| | | | | | (_) | (_) |
|_| |_| |_|\___/ \___/

P.S. no real cows were harmed for this moo

Cows have been hidden as easter eggs in pinball games.

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Please use this:

aptitude -v moo
aptitude -vvvvv moo
aptitude -vvvvvv moo
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@Chenmunka Doesn't that mean aptitude do have Super Cow Powers? – TungWah Feb 12 '14 at 19:23

While inspecting around it ,just have a look at the easter-eggs

enter image description here

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