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Name (Old) Plan 9 License
Comment This is not a free software license; it lacks essential freedoms such

as the right to make and use private changes. Of course you should not use this license, and we urge you to avoid any software that has been released under it. A detailed discussion of this license is also available.

In September 2002 it was observed that the published license for Plan 9 had been modified, adding more restrictions to it, although its date still said 09/20/00. However, a further license change in 2003 made Plan 9 free software.

License text


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.