1. Open Source Operating Systems

2. TEKS Standards §123.47. Computer Applications 12) The student describes how and why computer technology evolves. The student is expected to: A) describe how changes in computer technology affect business and industry; B) describe how the development and use of computer technology are influenced by past events; C) describe change and the factors that affect the adoption or rejection of computer technology; and D) describe the factors that encourage the evolution of technology.

3. Questions Essential Question – How can the free exchange of ideas and information influence our world? Unit Question – What are the differences between proprietary and open source operating systems?

4. What is Open Source? open source - philosophy, legal A method and philosophy for software licensing and distribution designed to encourage use and improvement of software written by volunteers by ensuring that anyone can copy the source code and modify it freely.

5. Operating Systems Proprietary: Windows Apple Open Source: Linux Unix

6. Proprietary Pros: Technical Support Readily Available Ease of Use Cons: Less Stable Expensive Security Updates

7. Open Source Pros: FREE!! Secure Updates Stable Cons: Difficulty No Tech Support

8. Software Proprietary MS Office Adobe Photoshop IE/Safari Outlook Open Source Open Office GiMP Firefox/Opera Thunderbird

9. Resources http://dictionary.reference.com/browse/open source http://www.tea.state.tx.us/rules/tac/chapter123/ch123d.html http://www.freesoftwaremagazine.com/files/www.freesoftwarem agazine.com/nodes/1379/Tux.jpg http://technology.beloblog.com/archives/apple%20logo.jpg http://www.miguelcarrasco.net/miguelcarrasco/WindowsLiveWr iter/VistaMicrophoneandLineInIssues_CECC/vista_logo%5B 5%5D.png