User's Manual

Dec 12, 2013 11:34 AM
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 a 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 tell them 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. The precise terms and
conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS
FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License Agreement 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 work containing the Program or a portion of it, either verbatim or with modifications. Each licensee is
addressed as 'you'. 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 General Public License and to the absence of any
warranty; and give any other recipients of the Program a copy of this General Public License along with the Program. You
may charge a fee for the physical act of transferring a copy. 2. You may modify your copy or copies of the Program or any
portion of it, and copy and distribute such modifications under the terms of Paragraph 1 above, provided that you also do the
following: a) cause the modified files to carry prominent notices stating that you changed the files and the date of any
change; and b) cause the whole of any work that you distribute or publish, that in whole or in part contains the Program or
any part thereof, either with or without modifications, to be licensed at no charge to all third parties under the terms of this
General Public License (except that you may choose to grant warranty protection to some or all third parties, at your option).
c) If the modified program normally reads commands interactively when run, you must cause it, when started running for
such interactive use in the simplest and most usual 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 General Public License. d)
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. Mere aggregation of another independent work with the Program (or its derivative) on a volume of a
storage or distribution medium does not bring the other work under the scope of these terms. 3. You may copy and distribute
the Program (or a portion or derivative of it, under Paragraph 2) in object code or executable form under the terms of
Paragraphs 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 Paragraphs 1 and 2 above; or, b) accompany it
with a written offer, valid for at least three years, to give any third party free (except for a nominal charge for the cost of
distribution) a complete machine-readable copy of the corresponding source code, to be distributed under the terms of
Paragraphs 1 and 2 above; or, c) accompany it with the information you received as to where the corresponding source code
may be obtained. (This alternative is allowed only for noncommercial distribution and only if you received the program in
object code or executable form alone.) Source code for a work means the preferred form of the work for making
modifications to it. For an executable file, complete source code means all the source code for all modules it contains; but, as
a special exception, it need not include source code for modules which are standard libraries that accompany the operating
system on which the executable file runs, or for standard header files or definitions files that accompany that operating
system. 4. You may not copy, modify, sublicense, distribute or transfer the Program except as expressly provided under this
General Public License. Any attempt otherwise to copy, modify, sublicense, distribute or transfer the Program is void, and will
automatically terminate your rights to use the Program under this License. However, parties who have received copies, or
rights to use copies, from you under this General Public License will not have their licenses terminated so long as such
parties remain in full compliance. 5. By copying, distributing or modifying the Program (or any work based on the Program)
you indicate your acceptance of this license to do so, and all its terms and conditions. 6. Each time you redistribute the
Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to
copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on
the recipients' exercise of the rights granted herein. 7. The Free Software Foundation may publish revised and/or new
versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but
may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the
Program specifies a version number of the license which applies to it and 'any later version', you have the option of following
the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the
Program does not specify a version number of the license, you may choose any version ever published by the Free Software
Foundation. 8. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are
different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write
to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of
preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally.