Why are we HERE?
    What / Why Open Source ?
              K. Bala Vignesh
              kbalavignesh@gmail.com
         ...
Source Code (Open Source)




                                Binary (Closed Source)



                             
Case ­1




       
Reinventing Wheel




              
Continuous Improvement




                
?


    Knowledge Sharing




             
Case ­2




       
Review by few




            
Review by more, more and More




                   
?

     More Corrections and 
          Less bugs



                
Case­3




        
Closed Building with few Guards




                   
Open Building with more, more and 
              more Guards




                     
?


    More Security




           
Case ­4




        
Sealed CAR ,
    You can't see , open and repair
              the Engine



                    
Opened CAR
You can see, open and fix the Problem.



                   
?


    Technical Freedom




             
Case ­5




       
You can only EAT




           
You can Prepare, Modify and Distribute




                    
?




    Personal Freedom


            
          Free(dom) Software
     Ensures 4 freedoms

       0      Use for any purpose

       1      Study and adapt(mod...
Proprietary Softwares
     Owned by Company/individual

     Usually given in binary form.

     Users have restriction on...
Why Software Freedom?

    Software is science and knowledge 

         belongs to society 

         not property of indi...
Opensource Development Model

    Web
    Source code 
    Community
    Forums
    Developers
    CVS
    Mailing list
  ...
Opensource Business Model
       Service & Support   

       Installation

     Training

     Customization

     Warran...
Benefits to students
    Study the source code and 
     Learn programming design & technics.

     Understand internals o...
Advantages to Students
       No need to beg industry for project.

      Plenty available on net. Contribute to it.

    ...
Adoption of FOSS is a National Mission.
       The most unfortunate thing is that India still
    seems to believe in Prop...
Images Taken from Flickr.com

             wheels  ­  http://flickr.com/photo_zoom.gne?id=877870174&size=l
         review...
Questions?




         
Copyright (c)  2007 
   Permission is granted to copy, distribute and/or modify this document
  under the terms of the GNU...
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open source intro

  1. 1. Why are we HERE? What / Why Open Source ? K. Bala Vignesh kbalavignesh@gmail.com T.Shrinivasan     tshrinivasan@gmail.com Indian Linux User Group, Chennai
  2. 2. Source Code (Open Source) Binary (Closed Source)    
  3. 3. Case ­1    
  4. 4. Reinventing Wheel    
  5. 5. Continuous Improvement    
  6. 6. ? Knowledge Sharing    
  7. 7. Case ­2    
  8. 8. Review by few    
  9. 9. Review by more, more and More    
  10. 10. ?  More Corrections and  Less bugs    
  11. 11. Case­3    
  12. 12. Closed Building with few Guards    
  13. 13. Open Building with more, more and  more Guards    
  14. 14. ? More Security    
  15. 15. Case ­4    
  16. 16. Sealed CAR , You can't see , open and repair  the Engine    
  17. 17. Opened CAR You can see, open and fix the Problem.    
  18. 18. ? Technical Freedom    
  19. 19. Case ­5    
  20. 20. You can only EAT    
  21. 21. You can Prepare, Modify and Distribute    
  22. 22. ? Personal Freedom    
  23. 23.           Free(dom) Software Ensures 4 freedoms 0 Use for any purpose 1 Study and adapt(modify) 2 Distribute either free or gratis 3 Distribute the modified source (source code is mandatory for 1 and 3 Free as in  Free Speech and not as in Free Lunch ) GPL­ General Public License    
  24. 24. Proprietary Softwares Owned by Company/individual Usually given in binary form. Users have restriction on its use Cannot modify it Cannot copy    
  25. 25. Why Software Freedom? Software is science and knowledge  belongs to society  not property of individuals freely available    
  26. 26. Opensource Development Model Web Source code  Community Forums Developers CVS Mailing list Contributors – testing, documentation, localisation    
  27. 27. Opensource Business Model    Service & Support       Installation Training Customization Warranty Sell Distributions Facility Management    
  28. 28. Benefits to students Study the source code and  Learn programming design & technics. Understand internals of programs. Modify/enhance. Apply the design & technics in other projects. Learn to  create  software    
  29. 29. Advantages to Students    No need to beg industry for project. Plenty available on net. Contribute to it. Your contribution available for world. College faculty can be the guide & College itself        can give the certificate. You can continue to work on the project.    
  30. 30. Adoption of FOSS is a National Mission. The most unfortunate thing is that India still seems to believe in Proprietary solutions. In India FOSS will have to come and stay in a big way for the benefit of our billion people Dr APJ Abdul Kalam   Ex. President of India  
  31. 31. Images Taken from Flickr.com wheels  ­  http://flickr.com/photo_zoom.gne?id=877870174&size=l review by few ­http://flickr.com/photo_zoom.gne?id=290395598&size=l building1 ­ http://flickr.com/photo_zoom.gne?id=484575444&size=l building with people1 ­ http://flickr.com/photo_zoom.gne?id=1386361349&size=l car not openable ­ http://flickr.com/photo_zoom.gne?id=55366220&size=o car openable ­ http://flickr.com/photo_zoom.gne?id=55366129&size=o hand lock ­ http://flickr.com/photo_zoom.gne?id=853883323&size=o jumpling girl ­ http://flickr.com/photo_zoom.gne?id=780223591&size=o review by many ­ http://flickr.com/photo_zoom.gne?id=383034378&size=l idly1­ http://flickr.com/photo_zoom.gne?id=1489588805&size=l idly2­ http://flickr.com/photo_zoom.gne?id=92074731&size=l idly3­ http://flickr.com/photo_zoom.gne?id=1691321700&size=l idly4­ http://flickr.com/photo_zoom.gne?id=203244154&size=l idly5­ http://flickr.com/photo_zoom.gne?id=164774821&size=l idly ­ http://flickr.com/photo_zoom.gne?id=232680038&size=l Dosai ­ http://flickr.com/photos/rumali/534768241/ binary ­ http://flickr.com/photo_zoom.gne?id=158530154&size=o childs­ http://flickr.com/photo_zoom.gne?id=1606105753&size=l indian flag ­http://flickr.com/photo_zoom.gne?id=128225160&size=l gandhi ­ http://flickr.com/photo_zoom.gne?id=293040040&size=o comp_cat_sleep­ http://flickr.com/photo_zoom.gne?id=918128338&size=l u can learn ­ http://flickr.com/photo_zoom.gne?id=6806473&size=l     web ­ http://flickr.com/photo_zoom.gne?id=9500503&size=l grocery ­ http://flickr.com/photo_zoom.gne?id=101527478&size=o
  32. 32. Questions?    
  33. 33. Copyright (c)  2007    Permission is granted to copy, distribute and/or modify this document   under the terms of the GNU Free Documentation License, Version 1.2   or any later version published by the Free Software Foundation. http://www.gnu.org/copyleft/fdl.html       
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