User's Manual

Dec 12, 2013 11:34 AM
share and change free software--to make sure the software is free for all its users. This General Public License applies to
most of the Free Software Foundation\'s software and to any other program whose authors commit to using it. (Some other
Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your
programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are
designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you
wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new
free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities
for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program,
whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too,
receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights
with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute
and/or modify the software. Also, for each author\'s protection and ours, we want to make certain that everyone understands
that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its
recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the
original authors\' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the
danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary.
To prevent this, we have made it clear that any patent must be licensed for everyone\'s free use or not licensed at all. The
precise terms and conditions for copying, distribution and modification follow. TERMS AND CONDITIONS FOR COPYING,
DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed
by the copyright holder saying it may be distributed under the terms of this General Public License. The \"Program\", below,
refers to any such program or work, and a \"work based on the Program\" means either the Program or any derivative work
under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications
and/or translated into another language. (Hereinafter, translation is included without limitation in the term \"modification\".)
Each licensee is addressed as \"you\". Activities other than copying, distribution and modification are not covered by this
License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is
covered only if its contents constitute a work based on the Program (independent of having been made by running the
Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the
Program\'s source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each
copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to
the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program.
You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in
exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on
the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also
meet all of these conditions: * a) You must cause the modified files to carry prominent notices stating that you changed
the files and the date of any change. * b) You must cause any work that you distribute or publish, that in whole or in part
contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under
the terms of this License. * c) If the modified program normally reads commands interactively when run, you must cause
it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an
appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that
users may redistribute the program under these conditions, and telling the user how to view a copy of this License.
(Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the
Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and
separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as
separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the
distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire
whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or
contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of
derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the
Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not
bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one
of the following: * a) Accompany it with the complete corresponding machine-readable source code, which must be
distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, * b)
Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of
physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, * c)
Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is