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What is free software?

Source: Internet
Author: User
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Free Software?

1. Freedom to run software for any purpose

2. Learn how the software works, and modify the software's freedom to meet your own needs (obviously, the premise of this degree of freedom is to be able to access the softwareSource code)

3. The freedom to copy the software to your neighbor

4. In order to make the entireCommunityBenefits: the freedom of software after the public release and improvement (obviously, the premise of this freedom is that the dog can access the source of the softwareCode)

Copyleft, a new software development model, is presented to us. In this model, software can be spread and accumulated just as it is, ultimately for the benefit of mankind.

GNU, Linux, BSD, Apache, PostgreSQL, Python, Postfix, bind, etc. A large number of excellent companies, such as Google Yahoo, also use a large number of free software.

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