1 GNU GENERAL PUBLIC LICENSE
2 Version 2, June 1991
3
4 Copyright (C) 1989, 1991 Free Software Founda
5 51 Franklin Street, Fifth Floor, Boston, MA 0
6 Everyone is permitted to copy and distribute
7 of this license document, but changing it is
8
9 Preamble
10
11 The licenses for most software are designed
12 freedom to share and change it. By contrast,
13 License is intended to guarantee your freedom
14 software--to make sure the software is free fo
15 General Public License applies to most of the
16 Foundation's software and to any other program
17 using it. (Some other Free Software Foundatio
18 the GNU Lesser General Public License instead.
19 your programs, too.
20
21 When we speak of free software, we are refer
22 price. Our General Public Licenses are design
23 have the freedom to distribute copies of free
24 this service if you wish), that you receive so
25 if you want it, that you can change the softwa
26 in new free programs; and that you know you ca
27
28 To protect your rights, we need to make rest
29 anyone to deny you these rights or to ask you
30 These restrictions translate to certain respon
31 distribute copies of the software, or if you m
32
33 For example, if you distribute copies of suc
34 gratis or for a fee, you must give the recipie
35 you have. You must make sure that they, too,
36 source code. And you must show them these ter
37 rights.
38
39 We protect your rights with two steps: (1) c
40 (2) offer you this license which gives you leg
41 distribute and/or modify the software.
42
43 Also, for each author's protection and ours,
44 that everyone understands that there is no war
45 software. If the software is modified by some
46 want its recipients to know that what they hav
47 that any problems introduced by others will no
48 authors' reputations.
49
50 Finally, any free program is threatened cons
51 patents. We wish to avoid the danger that red
52 program will individually obtain patent licens
53 program proprietary. To prevent this, we have
54 patent must be licensed for everyone's free us
55
56 The precise terms and conditions for copying
57 modification follow.
58
59 GNU GENERAL PUBLIC LICENSE
60 TERMS AND CONDITIONS FOR COPYING, DISTRIBUT
61
62 0. This License applies to any program or ot
63 a notice placed by the copyright holder saying
64 under the terms of this General Public License
65 refers to any such program or work, and a "wor
66 means either the Program or any derivative wor
67 that is to say, a work containing the Program
68 either verbatim or with modifications and/or t
69 language. (Hereinafter, translation is includ
70 the term "modification".) Each licensee is ad
71
72 Activities other than copying, distribution an
73 covered by this License; they are outside its
74 running the Program is not restricted, and the
75 is covered only if its contents constitute a w
76 Program (independent of having been made by ru
77 Whether that is true depends on what the Progr
78
79 1. You may copy and distribute verbatim copi
80 source code as you receive it, in any medium,
81 conspicuously and appropriately publish on eac
82 copyright notice and disclaimer of warranty; k
83 notices that refer to this License and to the
84 and give any other recipients of the Program a
85 along with the Program.
86
87 You may charge a fee for the physical act of t
88 you may at your option offer warranty protecti
89
90 2. You may modify your copy or copies of the
91 of it, thus forming a work based on the Progra
92 distribute such modifications or work under th
93 above, provided that you also meet all of thes
94
95 a) You must cause the modified files to ca
96 stating that you changed the files and the
97
98 b) You must cause any work that you distri
99 whole or in part contains or is derived fr
100 part thereof, to be licensed as a whole at
101 parties under the terms of this License.
102
103 c) If the modified program normally reads
104 when run, you must cause it, when started
105 interactive use in the most ordinary way,
106 announcement including an appropriate copy
107 notice that there is no warranty (or else,
108 a warranty) and that users may redistribut
109 these conditions, and telling the user how
110 License. (Exception: if the Program itsel
111 does not normally print such an announceme
112 the Program is not required to print an an
113
114 These requirements apply to the modified work
115 identifiable sections of that work are not der
116 and can be reasonably considered independent a
117 themselves, then this License, and its terms,
118 sections when you distribute them as separate
119 distribute the same sections as part of a whol
120 on the Program, the distribution of the whole
121 this License, whose permissions for other lice
122 entire whole, and thus to each and every part
123
124 Thus, it is not the intent of this section to
125 your rights to work written entirely by you; r
126 exercise the right to control the distribution
127 collective works based on the Program.
128
129 In addition, mere aggregation of another work
130 with the Program (or with a work based on the
131 a storage or distribution medium does not brin
132 the scope of this License.
133
134 3. You may copy and distribute the Program (
135 under Section 2) in object code or executable
136 Sections 1 and 2 above provided that you also
137
138 a) Accompany it with the complete correspo
139 source code, which must be distributed und
140 1 and 2 above on a medium customarily used
141
142 b) Accompany it with a written offer, vali
143 years, to give any third party, for a char
144 cost of physically performing source distr
145 machine-readable copy of the corresponding
146 distributed under the terms of Sections 1
147 customarily used for software interchange;
148
149 c) Accompany it with the information you r
150 to distribute corresponding source code.
151 allowed only for noncommercial distributio
152 received the program in object code or exe
153 an offer, in accord with Subsection b abov
154
155 The source code for a work means the preferred
156 making modifications to it. For an executable
157 code means all the source code for all modules
158 associated interface definition files, plus th
159 control compilation and installation of the ex
160 special exception, the source code distributed
161 anything that is normally distributed (in eith
162 form) with the major components (compiler, ker
163 operating system on which the executable runs,
164 itself accompanies the executable.
165
166 If distribution of executable or object code i
167 access to copy from a designated place, then o
168 access to copy the source code from the same p
169 distribution of the source code, even though t
170 compelled to copy the source along with the ob
171
172 4. You may not copy, modify, sublicense, or
173 except as expressly provided under this Licens
174 otherwise to copy, modify, sublicense or distr
175 void, and will automatically terminate your ri
176 However, parties who have received copies, or
177 this License will not have their licenses term
178 parties remain in full compliance.
179
180 5. You are not required to accept this Licen
181 signed it. However, nothing else grants you p
182 distribute the Program or its derivative works
183 prohibited by law if you do not accept this Li
184 modifying or distributing the Program (or any
185 Program), you indicate your acceptance of this
186 all its terms and conditions for copying, dist
187 the Program or works based on it.
188
189 6. Each time you redistribute the Program (o
190 Program), the recipient automatically receives
191 original licensor to copy, distribute or modif
192 these terms and conditions. You may not impos
193 restrictions on the recipients' exercise of th
194 You are not responsible for enforcing complian
195 this License.
196
197 7. If, as a consequence of a court judgment
198 infringement or for any other reason (not limi
199 conditions are imposed on you (whether by cour
200 otherwise) that contradict the conditions of t
201 excuse you from the conditions of this License
202 distribute so as to satisfy simultaneously you
203 License and any other pertinent obligations, t
204 may not distribute the Program at all. For ex
205 license would not permit royalty-free redistri
206 all those who receive copies directly or indir
207 the only way you could satisfy both it and thi
208 refrain entirely from distribution of the Prog
209
210 If any portion of this section is held invalid
211 any particular circumstance, the balance of th
212 apply and the section as a whole is intended t
213 circumstances.
214
215 It is not the purpose of this section to induc
216 patents or other property right claims or to c
217 such claims; this section has the sole purpose
218 integrity of the free software distribution sy
219 implemented by public license practices. Many
220 generous contributions to the wide range of so
221 through that system in reliance on consistent
222 system; it is up to the author/donor to decide
223 to distribute software through any other syste
224 impose that choice.
225
226 This section is intended to make thoroughly cl
227 be a consequence of the rest of this License.
228
229 8. If the distribution and/or use of the Pro
230 certain countries either by patents or by copy
231 original copyright holder who places the Progr
232 may add an explicit geographical distribution
233 those countries, so that distribution is permi
234 countries not thus excluded. In such case, th
235 the limitation as if written in the body of th
236
237 9. The Free Software Foundation may publish
238 of the General Public License from time to tim
239 be similar in spirit to the present version, b
240 address new problems or concerns.
241
242 Each version is given a distinguishing version
243 specifies a version number of this License whi
244 later version", you have the option of followi
245 either of that version or of any later version
246 Software Foundation. If the Program does not
247 this License, you may choose any version ever
248 Foundation.
249
250 10. If you wish to incorporate parts of the
251 programs whose distribution conditions are dif
252 to ask for permission. For software which is
253 Software Foundation, write to the Free Softwar
254 make exceptions for this. Our decision will b
255 of preserving the free status of all derivativ
256 of promoting the sharing and reuse of software
257
258 NO WARRANTY
259
260 11. BECAUSE THE PROGRAM IS LICENSED FREE OF
261 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY AP
262 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLD
263 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY O
264 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
265 MERCHANTABILITY AND FITNESS FOR A PARTICULAR P
266 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
267 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST O
268 REPAIR OR CORRECTION.
269
270 12. IN NO EVENT UNLESS REQUIRED BY APPLICABL
271 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY
272 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, B
273 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
274 OUT OF THE USE OR INABILITY TO USE THE PROGRAM
275 TO LOSS OF DATA OR DATA BEING RENDERED INACCUR
276 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGR
277 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY
278 POSSIBILITY OF SUCH DAMAGES.
279
280 END OF TERMS AND CONDITIO
281
282 How to Apply These Terms to Your N
283
284 If you develop a new program, and you want i
285 possible use to the public, the best way to ac
286 free software which everyone can redistribute
287
288 To do so, attach the following notices to th
289 to attach them to the start of each source fil
290 convey the exclusion of warranty; and each fil
291 the "copyright" line and a pointer to where th
292
293 <one line to give the program's name and a
294 Copyright (C) <year> <name of author>
295
296 This program is free software; you can red
297 it under the terms of the GNU General Publ
298 the Free Software Foundation; either versi
299 (at your option) any later version.
300
301 This program is distributed in the hope th
302 but WITHOUT ANY WARRANTY; without even the
303 MERCHANTABILITY or FITNESS FOR A PARTICULA
304 GNU General Public License for more detail
305
306 You should have received a copy of the GNU
307 with this program; if not, write to the Fr
308 51 Franklin Street, Fifth Floor, Boston, M
309
310 Also add information on how to contact you by
311
312 If the program is interactive, make it output
313 when it starts in an interactive mode:
314
315 Gnomovision version 69, Copyright (C) year
316 Gnomovision comes with ABSOLUTELY NO WARRA
317 This is free software, and you are welcome
318 under certain conditions; type `show c' fo
319
320 The hypothetical commands `show w' and `show c
321 parts of the General Public License. Of cours
322 be called something other than `show w' and `s
323 mouse-clicks or menu items--whatever suits you
324
325 You should also get your employer (if you work
326 school, if any, to sign a "copyright disclaime
327 necessary. Here is a sample; alter the names:
328
329 Yoyodyne, Inc., hereby disclaims all copyrig
330 `Gnomovision' (which makes passes at compile
331
332 <signature of Ty Coon>, 1 April 1989
333 Ty Coon, President of Vice
334
335 This General Public License does not permit in
336 proprietary programs. If your program is a su
337 consider it more useful to permit linking prop
338 library. If this is what you want to do, use
339 Public License instead of this License.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.