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<meta http-equiv="Keywords" content="GNU, FSF, Free Software Foundation, Linux, Emacs, GCC, Unix, Free Software, Operating System, GNU Kernel, HURD, GNU HURD, Hurd" /> |
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<meta http-equiv="Description" content="Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use." /> |
<meta http-equiv="Description" content="Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use." /> |
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<h2>What is Free Software?</h2> |
<h2>What is Free Software?</h2> |
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“Free software” means software that respects users' |
“Free software” means software that respects users' |
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</ul> |
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Have a question about free software licensing not answered here? |
Have a question about free software licensing not answered here? |
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See our other <a href="http://www.fsf.org/licensing">licensing resources</a>, |
See our other <a href="http://www.fsf.org/licensing">licensing resources</a>, |
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<h3 id="fs-definition" class="subheader">The Free Software Definition</h3> |
<h3 id="fs-definition">The Free Software Definition</h3> |
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The free software definition presents the criteria for whether a |
The free software definition presents the criteria for whether a |
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<h3 id="clarifying" class="subheader">Clarifying the Boundary Between Free and Nonfree</h3> |
<h3 id="clarifying">Clarifying the Boundary Between Free and Nonfree</h3> |
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<p>In the rest of this article we explain more precisely how far the |
<p>In the rest of this article we explain more precisely how far the |
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various freedoms need to extend, on various issues, in order for a |
various freedoms need to extend, on various issues, in order for a |
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it is nonfree. |
it is nonfree. |
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<h3 id="in-practice" class="subheader">The Free Software Definition in Practice</h3> |
<h3 id="in-practice">The Free Software Definition in Practice</h3> |
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<h4 id="interpretation">How we interpret these criteria</h4> |
<h4 id="interpretation">How we interpret these criteria</h4> |
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word “open” never refers to freedom. |
word “open” never refers to freedom. |
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<h3 id="beyond-software" class="subheader">Beyond Software</h3> |
<h3 id="beyond-software">Beyond Software</h3> |
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<a href="/philosophy/free-doc.html">Software manuals must be free</a>, |
<a href="/philosophy/free-doc.html">Software manuals must be free</a>, |
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has been extended to a definition of <a href="http://freedomdefined.org/"> |
has been extended to a definition of <a href="http://freedomdefined.org/"> |
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free cultural works</a> applicable to any kind of works. |
free cultural works</a> applicable to any kind of works. |
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<h3 id="History">History</h3> |
<h3 id="History">History</h3> |
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You can review the complete list of changes to the page through |
You can review the complete list of changes to the page through |
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the <a href="//web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&view=log">cvsweb |
the <a href="//web.cvs.savannah.gnu.org/viewvc/www/philosophy/free-sw.html?root=www&view=log">cvsweb |
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interface</a>.</p> |
interface</a>.</p> |
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<h3 class="footnote">Footnote</h3> |
<h3 class="footnote">Footnote</h3> |
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<ol> |
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It was clearly more basic than the other three, so it properly should |
It was clearly more basic than the other three, so it properly should |
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precede them. Rather than renumber the others, we made it freedom 0.</li> |
precede them. Rather than renumber the others, we made it freedom 0.</li> |
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There is more detail about copyright years in the GNU Maintainers |
There is more detail about copyright years in the GNU Maintainers |
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Information document, www.gnu.org/prep/maintain. --> |
Information document, www.gnu.org/prep/maintain. --> |
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<p>Copyright © 1996-2002, 2004-2007, 2009-2019, 2021 |
<p>Copyright © 1996-2002, 2004-2019, 2021 |
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Free Software Foundation, Inc.</p> |
Free Software Foundation, Inc.</p> |
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<p>This page is licensed under a <a rel="license" |
<p>This page is licensed under a <a rel="license" |