User Manual

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79: GPL-2.0

GNU General Public License, version 2

What to do if you see a possible GPL violation

Translations of the GPL

GPL Frequently Asked Questions

The GNU General Public License (GPL) in plain text format

The GNU General Public License (GPL) in Texinfo format

The GNU General Public License (GPL) in LaTeX format

The GNU General Public License (GPL) as an appendix in DocBook format

Table of Contents

GNU GENERAL PUBLIC LICENSE

Preamble

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

How to Apply These Terms to Your New Programs

GNU GENERAL PUBLIC LICENSE

Version 2, June 1991

51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

Everyone is permitted to copy and distribute verbatim copies

of this license document, but changing it is not allowed.

Preamble

The licenses for most software are designed to take away your freedom to share and change it. By

contrast, the GNU General Public License is intended to guarantee your freedom to share and change

free software--to make sure the software is free for all its users. This General Public License applies to

most of the Free Software Foundation's software and to any other program whose authors commit to

using it. (Some other Free Software Foundation software is covered by the GNU Lesser General Public

License instead.) You can apply it to your programs, too.

When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are

designed to make sure that you have the freedom to distribute copies of free software (and charge for

this service if you wish), that you receive source code or can get it if you want it, that you can change the

software or use pieces of it in new free programs; and that you know you can do these things.

To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to