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An Incomplete presentation about the GNU GPL.

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  1. 1. GNU General Public LIcense <ul><li>by Scott McGimpsey </li></ul><ul><li>What is the GPL? </li></ul><ul><li>What does the GPL say? </li></ul><ul><li>How does that apply to me? </li></ul><ul><li>What is the history of the GPL? </li></ul>
  2. 2. What is the GNU GPL? <ul><li>The GNU (pronounced Guh-new) GPL is an intellectual property licence under the Copyleft classification. Copyleft is the use of copyright law to REMOVE restrictions on intellectual property. Can conventionally be thought of as the polar opposite of a Copyright. </li></ul><ul><li>Copyleft Logo </li></ul>
  3. 3. What does the GPL say? <ul><li>While the full license can be found at , the purpose can be broken down into just a few main points. The authors of describe these as ”four freedoms” that every user should have under the GPL. </li></ul>
  4. 4. Freedom, Part One (1)‏ <ul><li>z </li></ul><ul><li>The first freedom given through the GPL is ”the freedom to use the software for any purpose”. </li></ul>
  5. 5. Freedom, Part Duex (2)‏ <ul><li>The second freedom declares that you should have ”the freedom to share the software with your friends and neighbors”. </li></ul>
  6. 6. Freedom, Part Three (3)‏ <ul><li>Freedom number three is ”the freedom to change the software to suit your needs”. </li></ul>
  7. 7. Freedom, Part Four (4)‏ <ul><li>The fourth and final freedom is the freedom to share the changes you make </li></ul>