Free Software Supporter: email address Sign up JOIN THE FSF GNU Operating System Supported by the Free Software Foundation ABOUT GNU PHILOSOPHY LICENSES EDUCATION SOFTWARE DISTROS DOCS MALWARE HELP GNU Essays & articles Speeches & interviews Third party ideas Latest articles Audio & video Philosophy of the GNU Project Free software means that the software'$ users have freedom: (The issue is not about price. We developed the GNU operating system so that users can have freedom in their computing: See audio-video gnu.org for Specifically, free software means users have the four essential freedoms: (0) to run the program; (1) to study recordings of Richard Stallman's and change the program in source code form, 2) to redistribute exact copies; and to distribute modified versions_ speeches: Software differs from material objects ~such as chairs, sandwiches, and gasoline in that it can be copied and changed much more easily: These facilities are why software is useful; we believe program's users should be free to take advantage of them; not solely its developer: For further please select section from the menu above. Introduction reading;