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mail.
If the program does terminal interaction, make it output a short notice
like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program 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, your
program’s commands might be different; for a GUI interface, you
would use an “about box”.
You should also get your employer (if you work as a programmer)
or school, if any, to sign a “copyright disclaimer” for the program, if
necessary. For more information on this, and how to apply and follow
the GNU GPL, see <http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your
program into proprietary programs. If your program is a subroutine
library, you may consider it more useful to permit linking proprietary
applications with the library. If this is what you want to do, use the GNU
Lesser General Public License instead of this License. But first, please
read <http://www.gnu.org/philosophy/why-not-lgpl.html>.
