What is the concept pioneered by Richard Stallman that uses copyright law principles to preserve the right to use, modify, and distribute free software?
Copyright
Open Source
Copyleft
Creative Commons
Answer
Richard Stallman pioneered the concept of copyleft, which uses the principles of copyright law to preserve the right to use, modify, and distribute free software. This is a fundamental principle in the free software movement.
Journey into the Open Source World: A Richard Stallman Quiz