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Freedom is... the GNU Operating System.

GNU is the first operating system designed to give you, the user, the freedom to share, study and modify it.

We call this free software, because the user is free.

GNU and free software are used by millions of people all over the world.

Free software is the foundation of a learning society — where the tools we all use are free to share, study and modify.

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The FSF is a charity with a worldwide mission to advance software freedom — learn about our history and work.

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