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  9. <h1>Dokeos 1.8 installation guide</h1>
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  11. <a href="index.html">Documentation</a> &gt; Gnu General Public Licence
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  14. <blockquote> </blockquote>
  15. <p> GNU GENERAL PUBLIC LICENSE<br>
  16. Version 2, June 1991</p>
  17. <p>Copyright (C) 1989, 1991 Free Software Foundation, Inc.<br>
  18. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA<br>
  19. Everyone is permitted to copy and distribute verbatim copies<br>
  20. of this license document, but changing it is not allowed.</p>
  21. <p> Preamble</p>
  22. <p> The licenses for most software are designed to take away your<br>
  23. freedom to share and change it. By contrast, the GNU General Public<br>
  24. License is intended to guarantee your freedom to share and change free<br>
  25. software--to make sure the software is free for all its users. This<br>
  26. General Public License applies to most of the Free Software<br>
  27. Foundation's software and to any other program whose authors commit to<br>
  28. using it. (Some other Free Software Foundation software is covered by<br>
  29. the GNU Library General Public License instead.) You can apply it to<br>
  30. your programs, too.</p>
  31. <p> When we speak of free software, we are referring to freedom, not<br>
  32. price. Our General Public Licenses are designed to make sure that you<br>
  33. have the freedom to distribute copies of free software (and charge for<br>
  34. this service if you wish), that you receive source code or can get it<br>
  35. if you want it, that you can change the software or use pieces of it<br>
  36. in new free programs; and that you know you can do these things.</p>
  37. <p> To protect your rights, we need to make restrictions that forbid<br>
  38. anyone to deny you these rights or to ask you to surrender the rights.<br>
  39. These restrictions translate to certain responsibilities for you if you<br>
  40. distribute copies of the software, or if you modify it.</p>
  41. <p> For example, if you distribute copies of such a program, whether<br>
  42. gratis or for a fee, you must give the recipients all the rights that<br>
  43. you have. You must make sure that they, too, receive or can get the<br>
  44. source code. And you must show them these terms so they know their<br>
  45. rights.</p>
  46. <p> We protect your rights with two steps: (1) copyright the software, and<br>
  47. (2) offer you this license which gives you legal permission to copy,<br>
  48. distribute and/or modify the software.</p>
  49. <p> Also, for each author's protection and ours, we want to make certain<br>
  50. that everyone understands that there is no warranty for this free<br>
  51. software. If the software is modified by someone else and passed on, we<br>
  52. want its recipients to know that what they have is not the original, so<br>
  53. that any problems introduced by others will not reflect on the original<br>
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  55. <p> Finally, any free program is threatened constantly by software<br>
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  59. patent must be licensed for everyone's free use or not licensed at all.</p>
  60. <p> The precise terms and conditions for copying, distribution and<br>
  61. modification follow.</p>
  62. <p> GNU GENERAL PUBLIC LICENSE<br>
  63. TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</p>
  64. <p> 0. This License applies to any program or other work which contains<br>
  65. a notice placed by the copyright holder saying it may be distributed<br>
  66. under the terms of this General Public License. The &quot;Program&quot;, below,<br>
  67. refers to any such program or work, and a &quot;work based on the Program&quot;<br>
  68. means either the Program or any derivative work under copyright law:<br>
  69. that is to say, a work containing the Program or a portion of it,<br>
  70. either verbatim or with modifications and/or translated into another<br>
  71. language. (Hereinafter, translation is included without limitation in<br>
  72. the term &quot;modification&quot;.) Each licensee is addressed as &quot;you&quot;.</p>
  73. <p>Activities other than copying, distribution and modification are not<br>
  74. covered by this License; they are outside its scope. The act of<br>
  75. running the Program is not restricted, and the output from the Program<br>
  76. is covered only if its contents constitute a work based on the<br>
  77. Program (independent of having been made by running the Program).<br>
  78. Whether that is true depends on what the Program does.</p>
  79. <p> 1. You may copy and distribute verbatim copies of the Program's<br>
  80. source code as you receive it, in any medium, provided that you<br>
  81. conspicuously and appropriately publish on each copy an appropriate<br>
  82. copyright notice and disclaimer of warranty; keep intact all the<br>
  83. notices that refer to this License and to the absence of any warranty;<br>
  84. and give any other recipients of the Program a copy of this License<br>
  85. along with the Program.</p>
  86. <p>You may charge a fee for the physical act of transferring a copy, and<br>
  87. you may at your option offer warranty protection in exchange for a fee.</p>
  88. <p> 2. You may modify your copy or copies of the Program or any portion<br>
  89. of it, thus forming a work based on the Program, and copy and<br>
  90. distribute such modifications or work under the terms of Section 1<br>
  91. above, provided that you also meet all of these conditions:</p>
  92. <p> a) You must cause the modified files to carry prominent notices<br>
  93. stating that you changed the files and the date of any change.</p>
  94. <p> b) You must cause any work that you distribute or publish, that in<br>
  95. whole or in part contains or is derived from the Program or any<br>
  96. part thereof, to be licensed as a whole at no charge to all third<br>
  97. parties under the terms of this License.</p>
  98. <p> c) If the modified program normally reads commands interactively<br>
  99. when run, you must cause it, when started running for such<br>
  100. interactive use in the most ordinary way, to print or display an<br>
  101. announcement including an appropriate copyright notice and a<br>
  102. notice that there is no warranty (or else, saying that you provide<br>
  103. a warranty) and that users may redistribute the program under<br>
  104. these conditions, and telling the user how to view a copy of this<br>
  105. License. (Exception: if the Program itself is interactive but<br>
  106. does not normally print such an announcement, your work based on<br>
  107. the Program is not required to print an announcement.)</p>
  108. <p>These requirements apply to the modified work as a whole. If<br>
  109. identifiable sections of that work are not derived from the Program,<br>
  110. and can be reasonably considered independent and separate works in<br>
  111. themselves, then this License, and its terms, do not apply to those<br>
  112. sections when you distribute them as separate works. But when you<br>
  113. distribute the same sections as part of a whole which is a work based<br>
  114. on the Program, the distribution of the whole must be on the terms of<br>
  115. this License, whose permissions for other licensees extend to the<br>
  116. entire whole, and thus to each and every part regardless of who wrote it.</p>
  117. <p>Thus, it is not the intent of this section to claim rights or contest<br>
  118. your rights to work written entirely by you; rather, the intent is to<br>
  119. exercise the right to control the distribution of derivative or<br>
  120. collective works based on the Program.</p>
  121. <p>In addition, mere aggregation of another work not based on the Program<br>
  122. with the Program (or with a work based on the Program) on a volume of<br>
  123. a storage or distribution medium does not bring the other work under<br>
  124. the scope of this License.</p>
  125. <p> 3. You may copy and distribute the Program (or a work based on it,<br>
  126. under Section 2) in object code or executable form under the terms of<br>
  127. Sections 1 and 2 above provided that you also do one of the following:</p>
  128. <p> a) Accompany it with the complete corresponding machine-readable<br>
  129. source code, which must be distributed under the terms of Sections<br>
  130. 1 and 2 above on a medium customarily used for software interchange; or,</p>
  131. <p> b) Accompany it with a written offer, valid for at least three<br>
  132. years, to give any third party, for a charge no more than your<br>
  133. cost of physically performing source distribution, a complete<br>
  134. machine-readable copy of the corresponding source code, to be<br>
  135. distributed under the terms of Sections 1 and 2 above on a medium<br>
  136. customarily used for software interchange; or,</p>
  137. <p> c) Accompany it with the information you received as to the offer<br>
  138. to distribute corresponding source code. (This alternative is<br>
  139. allowed only for noncommercial distribution and only if you<br>
  140. received the program in object code or executable form with such<br>
  141. an offer, in accord with Subsection b above.)</p>
  142. <p>The source code for a work means the preferred form of the work for<br>
  143. making modifications to it. For an executable work, complete source<br>
  144. code means all the source code for all modules it contains, plus any<br>
  145. associated interface definition files, plus the scripts used to<br>
  146. control compilation and installation of the executable. However, as a<br>
  147. special exception, the source code distributed need not include<br>
  148. anything that is normally distributed (in either source or binary<br>
  149. form) with the major components (compiler, kernel, and so on) of the<br>
  150. operating system on which the executable runs, unless that component<br>
  151. itself accompanies the executable.</p>
  152. <p>If distribution of executable or object code is made by offering<br>
  153. access to copy from a designated place, then offering equivalent<br>
  154. access to copy the source code from the same place counts as<br>
  155. distribution of the source code, even though third parties are not<br>
  156. compelled to copy the source along with the object code.</p>
  157. <p> 4. You may not copy, modify, sublicense, or distribute the Program<br>
  158. except as expressly provided under this License. Any attempt<br>
  159. otherwise to copy, modify, sublicense or distribute the Program is<br>
  160. void, and will automatically terminate your rights under this License.<br>
  161. However, parties who have received copies, or rights, from you under<br>
  162. this License will not have their licenses terminated so long as such<br>
  163. parties remain in full compliance.</p>
  164. <p> 5. You are not required to accept this License, since you have not<br>
  165. signed it. However, nothing else grants you permission to modify or<br>
  166. distribute the Program or its derivative works. These actions are<br>
  167. prohibited by law if you do not accept this License. Therefore, by<br>
  168. modifying or distributing the Program (or any work based on the<br>
  169. Program), you indicate your acceptance of this License to do so, and<br>
  170. all its terms and conditions for copying, distributing or modifying<br>
  171. the Program or works based on it.</p>
  172. <p> 6. Each time you redistribute the Program (or any work based on the<br>
  173. Program), the recipient automatically receives a license from the<br>
  174. original licensor to copy, distribute or modify the Program subject to<br>
  175. these terms and conditions. You may not impose any further<br>
  176. restrictions on the recipients' exercise of the rights granted herein.<br>
  177. You are not responsible for enforcing compliance by third parties to<br>
  178. this License.</p>
  179. <p> 7. If, as a consequence of a court judgment or allegation of patent<br>
  180. infringement or for any other reason (not limited to patent issues),<br>
  181. conditions are imposed on you (whether by court order, agreement or<br>
  182. otherwise) that contradict the conditions of this License, they do not<br>
  183. excuse you from the conditions of this License. If you cannot<br>
  184. distribute so as to satisfy simultaneously your obligations under this<br>
  185. License and any other pertinent obligations, then as a consequence you<br>
  186. may not distribute the Program at all. For example, if a patent<br>
  187. license would not permit royalty-free redistribution of the Program by<br>
  188. all those who receive copies directly or indirectly through you, then<br>
  189. the only way you could satisfy both it and this License would be to<br>
  190. refrain entirely from distribution of the Program.</p>
  191. <p>If any portion of this section is held invalid or unenforceable under<br>
  192. any particular circumstance, the balance of the section is intended to<br>
  193. apply and the section as a whole is intended to apply in other<br>
  194. circumstances.</p>
  195. <p>It is not the purpose of this section to induce you to infringe any<br>
  196. patents or other property right claims or to contest validity of any<br>
  197. such claims; this section has the sole purpose of protecting the<br>
  198. integrity of the free software distribution system, which is<br>
  199. implemented by public license practices. Many people have made<br>
  200. generous contributions to the wide range of software distributed<br>
  201. through that system in reliance on consistent application of that<br>
  202. system; it is up to the author/donor to decide if he or she is willing<br>
  203. to distribute software through any other system and a licensee cannot<br>
  204. impose that choice.</p>
  205. <p>This section is intended to make thoroughly clear what is believed to<br>
  206. be a consequence of the rest of this License.</p>
  207. <p> 8. If the distribution and/or use of the Program is restricted in<br>
  208. certain countries either by patents or by copyrighted interfaces, the<br>
  209. original copyright holder who places the Program under this License<br>
  210. may add an explicit geographical distribution limitation excluding<br>
  211. those countries, so that distribution is permitted only in or among<br>
  212. countries not thus excluded. In such case, this License incorporates<br>
  213. the limitation as if written in the body of this License.</p>
  214. <p> 9. The Free Software Foundation may publish revised and/or new versions<br>
  215. of the General Public License from time to time. Such new versions will<br>
  216. be similar in spirit to the present version, but may differ in detail to<br>
  217. address new problems or concerns.</p>
  218. <p>Each version is given a distinguishing version number. If the Program<br>
  219. specifies a version number of this License which applies to it and &quot;any<br>
  220. later version&quot;, you have the option of following the terms and conditions<br>
  221. either of that version or of any later version published by the Free<br>
  222. Software Foundation. If the Program does not specify a version number of<br>
  223. this License, you may choose any version ever published by the Free Software<br>
  224. Foundation.</p>
  225. <p> 10. If you wish to incorporate parts of the Program into other free<br>
  226. programs whose distribution conditions are different, write to the author<br>
  227. to ask for permission. For software which is copyrighted by the Free<br>
  228. Software Foundation, write to the Free Software Foundation; we sometimes<br>
  229. make exceptions for this. Our decision will be guided by the two goals<br>
  230. of preserving the free status of all derivatives of our free software and<br>
  231. of promoting the sharing and reuse of software generally.</p>
  232. <p> NO WARRANTY</p>
  233. <p> 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY<br>
  234. FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN<br>
  235. OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES<br>
  236. PROVIDE THE PROGRAM &quot;AS IS&quot; WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED<br>
  237. OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF<br>
  238. MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS<br>
  239. TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE<br>
  240. PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,<br>
  241. REPAIR OR CORRECTION.</p>
  242. <p> 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING<br>
  243. WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR<br>
  244. REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,<br>
  245. INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING<br>
  246. OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED<br>
  247. TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY<br>
  248. YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER<br>
  249. PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE<br>
  250. POSSIBILITY OF SUCH DAMAGES.</p>
  251. <p> END OF TERMS AND CONDITIONS</p>
  252. <p> How to Apply These Terms to Your New Programs</p>
  253. <p> If you develop a new program, and you want it to be of the greatest<br>
  254. possible use to the public, the best way to achieve this is to make it<br>
  255. free software which everyone can redistribute and change under these terms.</p>
  256. <p> To do so, attach the following notices to the program. It is safest<br>
  257. to attach them to the start of each source file to most effectively<br>
  258. convey the exclusion of warranty; and each file should have at least<br>
  259. the &quot;copyright&quot; line and a pointer to where the full notice is found.</p>
  260. <p> &lt;one line to give the program's name and a brief idea of what it does.&gt;<br>
  261. Copyright (C) &lt;year&gt; &lt;name of author&gt;</p>
  262. <p> This program is free software; you can redistribute it and/or modify<br>
  263. it under the terms of the GNU General Public License as published by<br>
  264. the Free Software Foundation; either version 2 of the License, or<br>
  265. (at your option) any later version.</p>
  266. <p> This program is distributed in the hope that it will be useful,<br>
  267. but WITHOUT ANY WARRANTY; without even the implied warranty of<br>
  268. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>
  269. GNU General Public License for more details.</p>
  270. <p> You should have received a copy of the GNU General Public License<br>
  271. along with this program; if not, write to the Free Software<br>
  272. Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA<br>
  273. </p>
  274. <p>Also add information on how to contact you by electronic and paper mail.</p>
  275. <p>If the program is interactive, make it output a short notice like this<br>
  276. when it starts in an interactive mode:</p>
  277. <p> Gnomovision version 69, Copyright (C) year name of author<br>
  278. Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.<br>
  279. This is free software, and you are welcome to redistribute it<br>
  280. under certain conditions; type `show c' for details.</p>
  281. <p>The hypothetical commands `show w' and `show c' should show the appropriate<br>
  282. parts of the General Public License. Of course, the commands you use may<br>
  283. be called something other than `show w' and `show c'; they could even be<br>
  284. mouse-clicks or menu items--whatever suits your program.</p>
  285. <p>You should also get your employer (if you work as a programmer) or your<br>
  286. school, if any, to sign a &quot;copyright disclaimer&quot; for the program, if<br>
  287. necessary. Here is a sample; alter the names:</p>
  288. <p> Yoyodyne, Inc., hereby disclaims all copyright interest in the program<br>
  289. `Gnomovision' (which makes passes at compilers) written by James Hacker.</p>
  290. <p> &lt;signature of Ty Coon&gt;, 1 April 1989<br>
  291. Ty Coon, President of Vice</p>
  292. <p>This General Public License does not permit incorporating your program into<br>
  293. proprietary programs. If your program is a subroutine library, you may<br>
  294. consider it more useful to permit linking proprietary applications with the<br>
  295. library. If this is what you want to do, use the GNU Library General<br>
  296. Public License instead of this License.<br>
  297. </p>
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