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apt-moo: Print a cow easter egg.
$ apt moo
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The command "apt moo" is a playful easter egg hidden in the package management system APT (Advanced Package Tool) found in many Debian-based Linux distributions, including Ubuntu. When you enter the command "apt moo" in the terminal, it displays a fun and lighthearted message, typically in the form of an ASCII art drawing of a cow. The word "moo" itself is a reference to the sound that cows make, often associated with the "cowsay" command in Linux that displays text in the speech bubble of an ASCII cow. This hidden feature is just meant to bring a smile to the user's face and doesn't have any practical use in terms of package management or system administration.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.
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