Free Software Foundation
Contents
- 1 The Four Essential Freedoms
- 1.1 The freedom to run the program as you wish, for any purpose (freedom 0)
- 1.2 The freedom to study how the program works, and change it so it does your computing as you wish (freedom 1)
- 1.3 The freedom to redistribute copies so you can help your neighbour (freedom 2)
- 1.4 The freedom to distribute copies of your modified versions to others (freedom 3)
The Four Essential Freedoms
A program is free software if the program's users have the four essential freedoms: