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Open Source/Free Software Source code is available Extensible Can be changed, modified Freely distributed Copies Modified versions Alternatives to commercial/proprietary software
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GNU General Public License (copyleft?) Documents modifications: developer & date Permission to copy, distribute, and/or modify Restrictions may not be added to original code or to modifications No warranty
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Examples Linux (approx. 30% of OS market) Apache (approx. 60% of web servers) Sendmail (approx. 40% of email servers) MyLibrary
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What is the benefit? Better, reliable software Improvements Bug fixes Can be configured to specific needs Access to extended tech support Faster development Efficiency through reuse of code
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Why an alternative? Commercial software has become Bloated (the T-bird problem) More difficult to install and run Inflexible Expensive Licenses have become more restrictive
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But… IT staff (programmers) cost more than commercial software Most IT staff don’t have the skills Bias towards power users Negatives of decentralization Consistency and compatibility (market share) Experts are in charge?
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For More Info… Free Software Foundation: http://www.gnu.org http://www.gnu.org Open Source Initiative: http://www.opensource.org http://www.opensource.org “The Cathedral and the Bazaar” http://www.tuxedo.org/~esr/writings/cathedral- bazaar/ “A Second Look at the ‘Cathedral and the Bazaar’” http://www.firstmonday.dk/issues/issue4_12/b ezroukov/
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