Frequently Asked Questions about the GNU Licenses - GNU Project - Free Software Foundation (FSF): "What does “GPL” stand for?
Does free software mean using the GPL?
Why should I use the GNU GPL rather than other free software licenses?
Does all GNU software use the GNU GPL as its license?
Does using the GPL for a program make it GNU software?
Can I use the GPL for something other than software?
Why don't you use the GPL for manuals?"
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