# Licence information

**URL:** <https://www.ruby-forum.com/t/licence-information/105556>\
**Category:** Ruby\
**Created:** [May 31, 2007, 2:48am UTC](https://www.ruby-forum.com/t/licence-information/105556 "2007-05-31T02:48:08Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![rramaiah](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/9e8a1a/32.png) [@rramaiah](https://www.ruby-forum.com/u/rramaiah)\
**Post date:** [May 31, 2007, 2:48am UTC](https://www.ruby-forum.com/t/licence-information/105556/1 "2007-05-31T02:48:08Z")

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Can you help me with a question that I cannot seem to find an answer  
to…. If you go to the Ruby site, you have the license agreement  
([http://www.ruby-lang.org/en/LICENSE.txt](http://www.ruby-lang.org/en/LICENSE.txt)). Note the following, first  
paragraph.

Ruby is copyrighted free software by Yukihiro M.  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid). You can redistribute it and/or modify it under  
either the terms of the GPL (see COPYING.txt file), or the conditions  
below:

In that text, it references a secondary file (see COPYING.txt file). Do  
any of you know where that file is located or where it contains?

Thanks for your help.

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**Author:** ![rramaiah](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/9e8a1a/32.png) [@rramaiah](https://www.ruby-forum.com/u/rramaiah)\
**Post date:** [May 31, 2007, 2:56am UTC](https://www.ruby-forum.com/t/licence-information/105556/2 "2007-05-31T02:56:55Z")

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Rajesh Ramachander wrote:

> In that text, it references a secondary file (see COPYING.txt file). Do  
> any of you know where that file is located or where it contains?
> 
> Thanks for your help.

[http://www.ruby-lang.org/en/COPYING.txt](http://www.ruby-lang.org/en/COPYING.txt)

(a lucky guess)

It’s also in the source tar ball.

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**Author:** ![rramaiah](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/9e8a1a/32.png) [@rramaiah](https://www.ruby-forum.com/u/rramaiah)\
**Post date:** [May 31, 2007, 6:17am UTC](https://www.ruby-forum.com/t/licence-information/105556/3 "2007-05-31T06:17:53Z")

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Joel VanderWerf wrote:

> Rajesh Ramachander wrote:
> 
> > In that text, it references a secondary file (see COPYING.txt file). Do  
> > any of you know where that file is located or where it contains?
> > 
> > Thanks for your help.
> 
> [http://www.ruby-lang.org/en/COPYING.txt](http://www.ruby-lang.org/en/COPYING.txt)
> 
> (a lucky guess)
> 
> It’s also in the source tar ball.

Thanks much! Joel