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To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at
least the "copyright" line and a pointer to where the full notice is
found.
<one line to give the program's name and a brief idea of
what it does.> Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/
or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation;
either version 2 of the License, or(at your option) any later
version.
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and
paper mail.
If the program is interactive, make it output a short notice like
this when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for
details type ‘show w’.
This is free software, and you are welcome to redistribute
it under certain conditions; type ‘show c’ for details.
The hypothetical commands ‘show w’ and ‘show c’ should show
the appropriate parts of the General Public License. Of course,
the commands you use may be called something other than
‘show w’ and ‘show c’; they could even be mouse-clicks or menu
items--whatever suits your program. You should also get your
employer (if you work as a programmer) or your school, if any, to
sign a “copyright disclaimer” for the program, if necessary. Here
is a sample; alter the names:
