The importance of Open Source

What is Open Source?
 In general, open source means any program whose source code is available for modification or replacement by developers as needed. It is primarily for public use and therefore people are free to use.
 As a certification mark:
 Open Source is considered as a certification mark owned by the Open Source Initiative (OSI). Developers of software that is intended to be freely shared and possibly improvised and redistributed by others can use the Open Source trademark if their distribution terms are tailored to the OSI definition of Open Source. To put it simply, the model of distribution terms definition requires the following:
 * There should be no restrictions imposed on the software. That is, the software should be allowed to be distributed once and redistributed without restriction.
 * There should be freely available source code. This is to ensure that the recipient receives the full right to modify it according to your needs or requirements.
 * The license can require improved versions of the software to carry a special name or version of the original software.
 Open source is considered as a process for the design, development and distribution of software, accessibility practices for software source code. Some believe that open source as one of various possible design approaches, while others think it is a critical strategic element of their operations. Before open source became widely adopted, developers and producers used a variety of phrases to explain the concept, the term open source gained a huge boost and a wide round of applause with the rise of the Internet, providing access to models diversified production, communication paths and interactive communities.
 the costs of software development organizations have boasted of being about 15% of total costs. This indicates that the value of one over another development methodology is more a marketing decision as much as it is planning a program.The open source model of the role and decision-making guarantees the simultaneous participation of different programs, approaches and priorities, and is very different from the more closed, centralized models of development.
 The principles and practices generally apply to the production of pairs of source code development for software that is accessible to the public collaboration. The result of this collaboration between colleagues is regularly published as open source software, however, open source methods are gradually being applied in other fields of activity, such as biotechnology.
 Widely used open source products
 Open Source Software (OSS) projects are built and maintained by a network of volunteer programmers. Some prime examples of open source products are the Apache HTTP Server, osCommerce e-commerce platform and web browser Mozilla Firefox. One of the products is thriving open source operating system GNU / Linux, an open source application or a Unix-like operating system.

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