Study Materials

The Four Liberties of Free Computer software

A free software is some computer code that can be used while not restriction by the original users or by someone else. This can be created by copying the program or enhancing it, and sharing it in various methods.

The software independence movement was started in the 1980s simply by Richard Stallman, who was concerned that proprietary (nonfree) software constituted a form of oppression for its users and a violation with their moral rights. He developed a set of 4 freedoms to get software to be considered free:

1 . The freedom to switch the software.

It is the most basic within the freedoms, and it is the one that constitutes a free course useful to nearly all people. It is also the freedom that allows several users to talk about their modified rendition with each other as well as the community in particular.

2 . The liberty to study this software and know the way it works, so that they can make becomes it to match their own purposes.

This liberty is the one that the majority of people think of when they notice the word “free”. It is the flexibility to enhance with the course, so that it does what you want it to do or stop performing a thing you do not like.

a few. The freedom to distribute copies of your improved versions to others, so that the community at large can benefit from your advancements.

This flexibility is the most important of your freedoms, and it is the freedom that makes a free course useful to its original users and to other people. It is the liberty that allows a grouping of users (or specific companies) to develop true value-added versions for the software, which often can serve the needs of a specific subset in the community.

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