Richard Stallman - The four essentials for free software

Richard Stallman message was:

For a software to be free, it should cater for all the 4 essential point as stated below

• Freedom to use - free to run the program for any purpose
• Help yourself - study how the program works and free to adapt it to the user need
• Help your neighbor - free to redistribute copies of the program
• Help your community - free to improve the program