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Introduction to Free Software

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During an evening, the Liege Linux Team organised conferences where I made an introduction to free software. After some definitions, I quickly show most comman tasks done with free software, some interesting myths for end users and some important actors in the free software world.

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Transcript of "Introduction to Free Software"

  1. 1. Definition Facts Myths Actors Conclusions Introduction to Free Software Definition, facts, myths, actors Jean-Etienne Poirrier http://www.poirrier.be/ June 28th, 2007 Jean-Etienne Poirrier Introduction to Free Software
  2. 2. Definition Facts Freedom Myths What are free software? Actors Conclusions Software Jean-Etienne Poirrier Introduction to Free Software
  3. 3. Definition Facts Freedom Myths What are free software? Actors Conclusions Free ... Software? Jean-Etienne Poirrier Introduction to Free Software
  4. 4. Definition Facts Freedom Myths What are free software? Actors Conclusions Freedom No subordination, no thrall, no constraint, no pressure applied by others Jean-Etienne Poirrier Introduction to Free Software
  5. 5. Definition Facts Freedom Myths What are free software? Actors Conclusions In the actual computer world ... obliged to buy a computer with an imposed operating system “intellectual property ” → theft, piracy outlandish and incompatible file formats lack of transparency regarding security Jean-Etienne Poirrier Introduction to Free Software
  6. 6. Definition Facts Freedom Myths What are free software? Actors Conclusions Free Software 4 Freedoms The freedom to run the program, for any purpose. 1 The freedom to study how the program works, and adapt it to your needs. 2 Access to the source code is a precondition for this. The freedom to redistribute copies so you can help your neighbor. 3 The freedom to improve the program, and release your improvements to 4 the public, so that the whole community benefits. Access to the source code is a precondition for this. Jean-Etienne Poirrier Introduction to Free Software
  7. 7. Definition Facts Freedom Myths What are free software? Actors Conclusions Some licences ... More info: http://www.gnu.org/licenses/ Jean-Etienne Poirrier Introduction to Free Software
  8. 8. Definition Operating System Facts Word processors Myths Spreadsheets Actors Internet Conclusions Games Operating Systems Linux (RedHat, Fedora, Debian, Ubuntu, SuSE, ...), FreeDOS, FIASCO, ReactOS, S.Ha.R.K., V2OS, ... Jean-Etienne Poirrier Introduction to Free Software
  9. 9. Definition Operating System Facts Word processors Myths Spreadsheets Actors Internet Conclusions Games Write texts Writer, AbiWord, KWord, ... Jean-Etienne Poirrier Introduction to Free Software
  10. 10. Definition Operating System Facts Word processors Myths Spreadsheets Actors Internet Conclusions Games Do some computation Calc, Gnumeric, KSpread, ... Jean-Etienne Poirrier Introduction to Free Software
  11. 11. Definition Operating System Facts Word processors Myths Spreadsheets Actors Internet Conclusions Games Surf on the web Firefox, Konqueror, ... Jean-Etienne Poirrier Introduction to Free Software
  12. 12. Definition Operating System Facts Word processors Myths Spreadsheets Actors Internet Conclusions Games Play Wormux, minesweeper, sudoku, 3D, racing, chess, ... Jean-Etienne Poirrier Introduction to Free Software
  13. 13. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management Myths about Free Software Jean-Etienne Poirrier Introduction to Free Software
  14. 14. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management Too complicated for normal people? Jean-Etienne Poirrier Introduction to Free Software
  15. 15. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management They already are used in kindergarten! GCompris, educational software for children from 2 to 10 years old Jean-Etienne Poirrier Introduction to Free Software
  16. 16. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management They became easy to install And are they easy to use? Just listen to the next 2 presentations! Jean-Etienne Poirrier Introduction to Free Software
  17. 17. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management Windows, Linux, MacOS, ... Free Software are available on nearly all possible operating systems (free or not) Jean-Etienne Poirrier Introduction to Free Software
  18. 18. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management Shareware, freeware, free-as-in-free-beer software But freely re-distributable with source code! Jean-Etienne Poirrier Introduction to Free Software
  19. 19. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management Free Software, security and support Way better privileges and access management, software actions monitoring, speed of bugs correction, ... (very active) Community support + support from commercial companies Jean-Etienne Poirrier Introduction to Free Software
  20. 20. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management Free Software are very often multilingual KDE is available in 34 languages, e.g.! Jean-Etienne Poirrier Introduction to Free Software
  21. 21. Definition Difficulties Facts Windows, Linux, MacOS, ... Myths Cost Actors Security Conclusions Languages management Linux is even available in Walloon ! Jean-Etienne Poirrier Introduction to Free Software
  22. 22. Definition Richard M. Stallman Facts Eric S. Raymond Myths Linus Torvalds Actors Eben Moglen Conclusions Richard M. Stallman 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 http://www.stallman.org/ http://www.gnu.org/ Jean-Etienne Poirrier Introduction to Free Software
  23. 23. Definition Richard M. Stallman Facts Eric S. Raymond Myths Linus Torvalds Actors Eben Moglen Conclusions Eric S. Raymond 50 years-old hacker (noble meaning) founder of the “Open Source” movement “The Cathedral and the Bazaar”, 1997 disputed member of the Community http://www.catb.org/ esr/ http://www.opensource.org/ Jean-Etienne Poirrier Introduction to Free Software
  24. 24. Definition Richard M. Stallman Facts Eric S. Raymond Myths Linus Torvalds Actors Eben Moglen Conclusions Linus Torvalds 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!) http://www.cs.helsinki.fi/u/torvalds/ Jean-Etienne Poirrier Introduction to Free Software
  25. 25. Definition Richard M. Stallman Facts Eric S. Raymond Myths Linus Torvalds Actors Eben Moglen Conclusions 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” http://emoglen.law.columbia.edu/ http://www.softwarefreedom.org/ Jean-Etienne Poirrier Introduction to Free Software
  26. 26. Definition Facts Myths Actors Conclusions 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? Jean-Etienne Poirrier Introduction to Free Software
  27. 27. Definition Facts Myths Actors Conclusions To know more... LiLiT (Liege Linux Team) : http://www.lilit.be/ and its Meeting Parties, Installation Parties and its participation to various other events Free Software Foundation : http://www.fsf.org/ Framasoft : http://www.framasoft.net/ (in French) Wikipedia : http://en.wikipedia.org Jean-Etienne Poirrier Introduction to Free Software
  28. 28. Definition Facts Myths Actors Conclusions 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 http://www.poirrier.be/ Jean-Etienne Poirrier Introduction to Free Software
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