| 1 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Appendix A. GNU General Public License</title><link rel="stylesheet" href="samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.71.0"><link rel="start" href="index.html" title="Samba-3 by Example"><link rel="up" href="RefSection.html" title="Part III. Reference Section"><link rel="prev" href="primer.html" title="Chapter 16. Networking Primer"><link rel="next" href="go01.html" title="Glossary"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Appendix A. GNU General Public License</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="primer.html">Prev</a> </td><th width="60%" align="center">Part III. Reference Section</th><td width="20%" align="right"> <a accesskey="n" href="go01.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h1 class="title"><a name="gpl"></a>GNU General Public License</h1></div><div><p class="releaseinfo"> Version 2, June 1991</p></div><div><p class="copyright">Copyright © 1989, 1991 Free Software Foundation, Inc.</p></div><div><div class="legalnotice"><a name="gpl-legalnotice"></a><p>
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| 2 | </p><div class="address"><p>Free Software Foundation, Inc. <br>
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| 3 | <span class="street">51 Franklin Street, Fifth Floor</span>, <br>
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| 4 | <span class="city">Boston</span>, <br>
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| 5 | <span class="state">MA</span> <br>
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| 6 | <span class="postcode">02110-1301</span><br>
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| 7 | <span class="country">USA</span><br>
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| 8 | </p></div><p>
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| 9 | </p><p> Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
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| 10 | </p></div></div><div><p class="pubdate">Version 2, June 1991</p></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="gpl.html#gpl-1">Preamble</a></span></dt><dt><span class="sect1"><a href="gpl.html#gpl-2">TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</a></span></dt><dd><dl><dt><span class="sect2"><a href="gpl.html#gpl-2-0">Section 0</a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-1">Section 1</a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-2">Section 2</a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-3">Section 3
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| 11 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-4">Section 4
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| 12 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-5">Section 5
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| 13 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-6">Section 6
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| 14 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-7">Section 7
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| 15 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-8">Section 8
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| 16 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-9">Section 9
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| 17 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-10">Section 10
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| 18 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-11">NO WARRANTY Section 11
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| 19 | </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-12">Section 12
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| 20 | </a></span></dt></dl></dd><dt><span class="sect1"><a href="gpl.html#gpl-3">How to Apply These Terms to Your New Programs
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| 21 | </a></span></dt></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="gpl-1"></a>Preamble</h2></div></div></div><p> The licenses for most software are designed to take away your
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| 22 | freedom to share and change it. By contrast, the GNU General Public License is
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| 23 | intended to guarantee your freedom to share and change
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| 24 | free software - to make sure the software is free for all its users.
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| 25 | This General Public License applies to most of the Free Software
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| 26 | Foundation's software and to any other program whose authors commit
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| 27 | to using it. (Some other Free Software Foundation software is covered
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| 28 | by the GNU Library General Public License instead.) You can apply it
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| 29 | to your programs, too.
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| 30 | </p><p> When we speak of free software, we are referring to freedom, not price.
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| 31 | Our General Public Licenses are designed to make sure that you have the
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| 32 | freedom to distribute copies of free software (and charge for this
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| 33 | service if you wish), that you receive source code or can get it if you
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| 34 | want it, that you can change the software or use pieces of it in new free
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| 35 | programs; and that you know you can do these things.
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| 36 | </p><p> To protect your rights, we need to make restrictions that forbid anyone
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| 37 | to deny you these rights or to ask you to surrender the rights. These
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| 38 | restrictions translate to certain responsibilities for you if you distribute
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| 39 | copies of the software, or if you modify it.
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| 40 | </p><p> For example, if you distribute copies of such a program, whether gratis or
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| 41 | for a fee, you must give the recipients all the rights that you have. You
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| 42 | must make sure that they, too, receive or can get the source code. And you
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| 43 | must show them these terms so they know their rights.
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| 44 | </p><p> We protect your rights with two steps:
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| 45 | </p><div class="orderedlist"><ol type="1"><li><p> copyright the software, and
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| 46 | </p></li><li><p> offer you this license which gives you legal permission to copy,
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| 47 | distribute and/or modify the software.
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| 48 | </p></li></ol></div><p>
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| 49 | </p><p> Also, for each author's protection and ours, we want to make certain that
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| 50 | everyone understands that there is no warranty for this free software. If
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| 51 | the software is modified by someone else and passed on, we want its
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| 52 | recipients to know that what they have is not the original, so that any
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| 53 | problems introduced by others will not reflect on the original authors'
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| 54 | reputations.
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| 55 | </p><p> Finally, any free program is threatened constantly by software patents.
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| 56 | We wish to avoid the danger that redistributors of a free program will
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| 57 | individually obtain patent licenses, in effect making the program
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| 58 | proprietary. To prevent this, we have made it clear that any patent must be
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| 59 | licensed for everyone's free use or not licensed at all.
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| 60 | </p><p> The precise terms and conditions for copying, distribution and modification
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| 61 | follow.
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| 62 | </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="gpl-2"></a>TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</h2></div></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-0"></a>Section 0</h3></div></div></div><p> This License applies to any program or other work which contains a notice
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| 63 | placed by the copyright holder saying it may be distributed under the terms
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| 64 | of this General Public License. The "Program", below, refers to any such
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| 65 | program or work, and a
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| 66 | “<span class="quote">work based on the Program
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| 67 | </span>” means either
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| 68 | the Program or any derivative work under copyright law: that is to say, a
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| 69 | work containing the Program or a portion of it, either verbatim or with
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| 70 | modifications and/or translated into another language. (Hereinafter, translation
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| 71 | is included without limitation in the term
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| 72 | “<span class="quote">modification
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| 73 | </span>”.) Each licensee is addressed as “<span class="quote">you</span>”.
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| 74 | </p><p> Activities other than copying, distribution and modification are not covered by
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| 75 | this License; they are outside its scope. The act of running the Program is not
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| 76 | restricted, and the output from the Program is covered only if its contents
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| 77 | constitute a work based on the Program (independent of having been made by running
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| 78 | the Program). Whether that is true depends on what the Program does.
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| 79 | </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-1"></a>Section 1</h3></div></div></div><p> You may copy and distribute verbatim copies of the Program's source code as you
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| 80 | receive it, in any medium, provided that you conspicuously and appropriately
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| 81 | publish on each copy an appropriate copyright notice and disclaimer of warranty;
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| 82 | keep intact all the notices that refer to this License and to the absence of any
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| 83 | warranty; and give any other recipients of the Program a copy of this License
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| 84 | along with the Program.
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| 85 | </p><p> You may charge a fee for the physical act of transferring a copy, and you may at
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| 86 | your option offer warranty protection in exchange for a fee.
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| 87 | </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-2"></a>Section 2</h3></div></div></div><p> You may modify your copy or copies of the Program or any portion of it, thus
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| 88 | forming a work based on the Program, and copy and distribute such modifications
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| 89 | or work under the terms of
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| 90 | <a href="gpl.html#gpl-2-1" title="Section 1">Section 1
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| 91 | </a> above, provided
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| 92 | that you also meet all of these conditions:
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| 93 | </p><div class="orderedlist"><ol type="1"><li><p> You must cause the modified files to carry prominent notices stating that
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| 94 | you changed the files and the date of any change.
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| 95 | </p></li><li><p> You must cause any work that you distribute or publish, that in whole or
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| 96 | in part contains or is derived from the Program or any part thereof, to be
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| 97 | licensed as a whole at no charge to all third parties under the terms of
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| 98 | this License.
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| 99 | </p></li><li><p> If the modified program normally reads commands interactively when run, you
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| 100 | must cause it, when started running for such interactive use in the most
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| 101 | ordinary way, to print or display an announcement including an appropriate
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| 102 | copyright notice and a notice that there is no warranty (or else, saying
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| 103 | that you provide a warranty) and that users may redistribute the program
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| 104 | under these conditions, and telling the user how to view a copy of this
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| 105 | License.
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| 106 | </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Exception:
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| 107 | </h3><p> If the Program itself is interactive but does not normally print such an
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| 108 | announcement, your work based on the Program is not required to print an
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| 109 | announcement.)
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| 110 | </p></div><p>
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