The Four Freedoms of Free Program

A free software is a bit of computer code that can be used devoid of restriction simply by the original users or perhaps by anybody else. This can be done by copying the program or changing it, and sharing this in various techniques.

The software liberty 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 of their moral legal rights. He formulated a set of four freedoms pertaining to software to be considered free:

1 . The freedom to change the software.

This is the most basic in the freedoms, and it is the one that constitutes a free plan useful to its users. It is also the freedom that allows a group of users to share their modified variation with each other plus the community in particular.

2 . The liberty to study the program and learn how it works, so that they can make becomes it to adjust to their own usages.

This flexibility is the one that many people think of when they hear the word “free”. It is the freedom to upgrade with the program, so that it does indeed what you want that to do or stop doing anything you don’t like.

2. The freedom to distribute clones of your changed versions to others, so that the community at large can usually benefit from your improvements.

This freedom is the most important of the freedoms, in fact it is the freedom that makes a free system useful to their original users and to anyone else. It is the liberty that allows several users (or person companies) to create true value added versions from the software, which may serve the needs of a particular subset within the community.

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