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WordPress All-in-One For Dummies, 2nd Edition by Lisa Sabin-Wilson

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Chapter 2: Exploring the World of Open Source Software

In This Chapter

arrow.png Exploring open source concepts

arrow.png Discovering examples of open source projects

arrow.png Understanding WordPress licensing

arrow.png Applying WordPress licensing

Open source software is a movement that started in the software industry in the 1980s. Its origins are up for debate, but most believe that the concept came about in 1983 when a company called Netscape released its Navigator web browser source code to the public, making it freely available to anyone who wanted to dig through it, modify it, or redistribute it.

WordPress software users need a basic understanding of the open source concept and the licensing upon which WordPress is built because WordPress’s open source policies affect you as a user — and greatly affect you if you plan to develop plugins or themes for the WordPress platforms. A basic understanding helps you conduct your practices in accordance with the license at the heart of the WordPress platform.

This chapter introduces you to open source, the Open Source Initiative (OSI), and the GPL (General Public License), ...

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