This document provides an introduction to GNU/Linux, including its history from the GNU project and Linux kernel. It discusses the four essential freedoms of open source software. It also describes popular GNU/Linux distributions like Debian, Slackware, and Red Hat, and recommends Ubuntu for beginners. Finally, it outlines how to install GNU/Linux, common desktop environments, and getting help resources.

1. GNU/Linux Introduction Be Free, Be Linux

2. About This Document This document is under Creative Commons Attribution-NonCommercial-ShareAlike 3.0

3. History GNU project : Richard Stallman. Linux Beginning : Linus Torvalds. GNU/Linux Combination.

4. 4 Freedoms Freedom 0: The freedom to run the program for any purpose.

5. Freedom 1: The freedom to study how the program works, and change it to make it do what you wish.

6. Freedom 2: The freedom to redistribute copies so you can help your neighbor.

7. Freedom 3: The freedom to improve the program, and release your improvements (and modified versions in general) to the public, so that the whole community benefits.

8. Distributions Meaning of a Distribution.

9. Many Resales of one Distribution.

10. Debian ,Slack ware ,Red Hat (The Big three).

11. Other Distributions Based on Others.

12. Distribtion Map

13. Best one's For Beginners.

14. Ubuntu Ubuntu History.

15. Meaning of “Ubuntu”.

16. Ubuntu Releases. version every 6 months

17. version every 2 years. Why Ubuntu?

18. Release TimeLine

19. Alternatives M$ Office Open Office Photo Shop GIMP Media Player Mplayer,vlc,totem Yahoo,MSN Messenger Pidgin,Empathy IE Mozilla Firefox, Google Chrome For more alternatives check osalt.com

20. Installation Via live Environments(CD, Flash memory).

21. Device drivers. Availability

22. New DD?? Window$: please reinstall !! Pre-installed software.

23. System Requirements Minimum To Work: 1 GHz x86 processor.

24. 512 MB of system memory (RAM).

25. At least 7 GB of disk space.

26. VGA graphics card capable.

27. CD-ROM drive or network connection.