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 anypurpose.

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. 28. Swap

What's Swap?

29. Why Swap?

Some programs are very memory-consuming.

30. Extra memory can come in handy. 31. Optimizing memory usage. 32. Hibernation (suspend-to-disk)How much? 33. Swap in Linux & Virtual Memory in Window$. 34. Desktop Environment

Meaning of Desktop Environment:

DE not Themes.

35. Explorer in Window$. 36. ExplorerComponents. 37. Desktop Environment

Dead Points in Window$ DE:

Build inside Kernel.

38. ONE FORMAT,ONE SHAPE ,ONE DE. 39. Limited And powerfulness. 40. A Big Security Hole Inside Your PC. 41. Desktop Environment

Advantages of Linux DE:

Build Away from Kernel.

42. Open source so it's very customizable. 43. Separated Modules. 44. Multi DE on one OS. 45. Faster, More flexible. 46. Resources Friendly. 47. Desktop Environment

GNOME:

48. Desktop Environment

The Official Desktop Environment For Ubuntu.

49. Fast and Easy 50. Desktop Environment

KDE:

51. Desktop Environment

The Official Desktop Environment For Kubuntu.

52. More Beautiful. 53. Similar to Window$ DE. 54. Desktop Environment

XFCE:

55. Desktop Environment

The Official Desktop Environment For Xubuntu.

56. More Simple. 57. Lighter than Gnome and Kde. 58. Dealing with programs

Repositories Concept.

59. Installation Ways:

From Ubuntu Software Center

60. From Synaptic Package Manager. 61. Dealing With APT throw the Command Line. 62. Compiling From Source Code. 63. Linux File System

Every thing is a file inside Linux.

64. Linux Directory Structure.

/bin , /usr/bin.

65. /sbin , /usr/sbin. 66. /home , /root. 67. /media , /mnt. 68. /dev. 69. /var. 70. /proc , /sys. 71. /tmp. 72. /etc. 73. Users And Groups

Users Privileges:

Disadvantages in Window$.

74. Advantages in Linux. Users types in Linux:

Root User.

75. Regular User. 76. Super User. 77. Terminal

What's The Terminal?

78. Difference Between Terminal and C.L. 79. Why Terminal? 80. How To Get HELP

Offline system documentation.

81. Online system documentation.

Ubuntu manual project

Community Support (Forums ,IRC ,....).

ubuntuforums.com

82. linuxac.org 83. eglug.org Man Pages. 84. Window$ Vs Linux

Airline companies Example.

85. Window$:

Advantage

86. Disadvantage Gnu/Linux:

Advantage

87. Disadvantage 88. Thanks Thanks For your Attentionany Questions are Welcomed. Contact :[email_address] Blogging@ maboelnour.wordpress.com