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Open Source Intro

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Information about Open Source Intro

Published on December 4, 2007

Author: tshrinivasan

Source: slideshare.net

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Why are we HERE? What / Why Open Source ? K. Bala Vignesh [email_address] T.Shrinivasan [email_address] Indian Linux User Group, Chennai

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

Case-3

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(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 Lunc h ) GPL- General Public License

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 Lunc h )

GPL- General Public License

Proprietary Softwares Owned by Company/individual Usually given in binary form. Users have restriction on its use Cannot modify it Cannot copy

Proprietary Softwares

Owned by Company/individual

Usually given in binary form.

Users have restriction on its use

Cannot modify it

Cannot copy

Why Software Freedom? Software is science and knowledge belongs to society not property of individuals freely available

Software is science and knowledge

belongs to society

not property of individuals

freely available

Opensource Development Model Web Source code Community Forums Developers CVS Mailing list Contributors – testing, documentation, localisation

Opensource Development Model

Web

Source code

Community

Forums

Developers

CVS

Mailing list

Contributors – testing, documentation, localisation

Opensource Business Model Service & Support Installation Training Customization Warranty Sell Distributions Facility Management

Service & Support

Installation

Training

Customization

Warranty

Sell Distributions

Facility Management

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

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

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.

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.

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

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

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

Questions?

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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