Introduction to Free Software

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1 , facts, myths, actors June 28th, 2007

2 Freedom What are free software? Software

3 Freedom What are free software? Free... Software?

4 Freedom What are free software? Freedom No subordination, no thrall, no constraint, no pressure applied by others

5 In the actual computer world... Freedom What are free software? obliged to buy a computer with an imposed operating system intellectual property theft, piracy outlandish and incompatible file formats lack of transparency regarding security

6 Free Software 4 Freedoms Freedom What are free software? 1 The freedom to run the program, for any purpose. 2 The freedom to study how the program works, and adapt it to your needs. Access to the source code is a precondition for this. 3 The freedom to redistribute copies so you can help your neighbor. 4 The freedom to improve the program, and release your improvements to the public, so that the whole community benefits. Access to the source code is a precondition for this.

7 Some licences... Freedom What are free software? More info:

8 Operating Systems Operating System Word processors Spreadsheets Internet Games Linux (RedHat, Fedora, Debian, Ubuntu, SuSE,...), FreeDOS, FIASCO, ReactOS, S.Ha.R.K., V2OS,...

9 Write texts Operating System Word processors Spreadsheets Internet Games Writer, AbiWord, KWord,...

10 Do some computation Operating System Word processors Spreadsheets Internet Games Calc, Gnumeric, KSpread,...

11 Surf on the web Operating System Word processors Spreadsheets Internet Games Firefox, Konqueror,...

12 Play Operating System Word processors Spreadsheets Internet Games Wormux, minesweeper, sudoku, 3D, racing, chess,...

13 about Free Software Difficulties Windows, Linux, MacOS,... Cost Security Languages management

14 Too complicated for normal people? Difficulties Windows, Linux, MacOS,... Cost Security Languages management

15 They already are used in kindergarten! Difficulties Windows, Linux, MacOS,... Cost Security Languages management GCompris, educational software for children from 2 to 10 years old

16 They became easy to install Difficulties Windows, Linux, MacOS,... Cost Security Languages management And are they easy to use? Just listen to the next 2 presentations!

17 Windows, Linux, MacOS,... Difficulties Windows, Linux, MacOS,... Cost Security Languages management Free Software are available on nearly all possible operating systems (free or not)

18 Difficulties Windows, Linux, MacOS,... Cost Security Languages management Shareware, freeware, free-as-in-free-beer software But freely re-distributable with source code!

19 Free Software, security and support Difficulties Windows, Linux, MacOS,... Cost Security Languages management Way better privileges and access management, software actions monitoring, speed of bugs correction,... (very active) Community support + support from commercial companies

20 Free Software are very often multilingual Difficulties Windows, Linux, MacOS,... Cost Security Languages management KDE is available in 34 languages, e.g.!

21 Linux is even available in Walloon! Difficulties Windows, Linux, MacOS,... Cost Security Languages management

22 Richard M. Stallman Richard M. Stallman Eric S. Raymond Linus Torvalds Eben Moglen 54 years-old hacker (noble meaning) free software activist software patents destroyer father of the GNU project (1983) father of the Free Software Foundation (1985) father of the Emacs text editor and other basic tools for operating systems

23 Eric S. Raymond Richard M. Stallman Eric S. Raymond Linus Torvalds Eben Moglen 50 years-old hacker (noble meaning) founder of the Open Source movement The Cathedral and the Bazaar, 1997 disputed member of the Community esr/

24 Linus Torvalds Richard M. Stallman Eric S. Raymond Linus Torvalds Eben Moglen 38 years-old creator of the Linux kernel self-proclaimed benevolent dictator of the Linux kernel development rarely goes out of his modesty (but when he does, the entire world knows it!)

25 Eben Moglen Richard M. Stallman Eric S. Raymond Linus Torvalds Eben Moglen 47 years-old law professor founder and director of the Software Freedom Law Center defending Free Software legal interests Free Software Foundation member GNU GPLv3 writer Anything that is worth copying is worth sharing

26 Free Software... they are good, use them! they can be freely copied and used they allow us to easily do common tasks and much more! they target all the ages, all the interests they are not automatically free (as in free beer) they are rather well documented What are you waiting for?

27 To know more... LiLiT (Liege Linux Team) : and its Meeting Parties, Installation Parties and its participation to various other events Free Software Foundation : Framasoft : (in French) Wikipedia :

28 Many thanks to... LiLiT and its volunteers who prepared this evening Richard Stallman and Linus Torvalds to initiate this movement, both at a philosophical and technical standpoint you for your attention and because you will try free software, right now! This presentation is available on

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