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A free software is a piece of computer code that can be used devoid of restriction simply by the first users or perhaps by anybody. This can be made by copying the program or modifying it, and sharing that in various ways.

The software flexibility movement was started in the 1980s 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 formulated a set of 4 freedoms with regards to software to get considered free:

1 . The freedom to switch the software.

This is actually the most basic of the freedoms, and it is the one that makes a free software useful to its users. It is also the freedom that allows a team of users to share their modified type with each other as well as the community in particular.

2 . The liberty to study the program and appreciate how it works, to enable them to make becomes it to install their own needs.

This flexibility is the one that the majority of people consider when they hear the word “free”. It is the flexibility to enhance with the application, so that it does what you want this to do or perhaps stop doing anything you don’t like.

a few. The freedom to distribute copies of your altered versions in front of large audiences, so that the community at large can benefit from your advancements.

This independence is the most important for the freedoms, in fact it is the freedom that produces a free system useful to its original users and to anybody else. It is the independence that allows a group of users (or specific companies) to create true value added versions within the software, which often can serve the needs of a specific subset within the community.