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Software is very much an important asset in this IT era. Software is the instruction and programs which run computer applications. Software is available in freeware, shareware, freeware and modes. Free software is software that can be used free of charge. Modification, reproduction or redistribution in modified form without the minimum restriction of the free software is possible. It ensures the proper use of facts and information holds the monopoly. Free software should be available in the form of the human and by granting permission for such a practice. Such subsidy to the distribution of information, such as the free software license known and this is indicated by the share in the general area of online. The existence of the free software came in 1983 and provided free information to users of the computer. The term free software is different from the concept of freeware. Freeware is proprietary software as defined available free of charge. Freeware is distributed free distributable free of charge by the users. Owner is the developer of the freeware and it can change fee of freeware software with future releases. Free Software promotes business customer support, training, integrity, adaptation, and helps in the acquisition of certification. The free software provides information only to a certain extent. It is possible to obtain the extraction of information required by the purchase of the license for the legitimate software product. Then let the computer users of free software such as freedom of choice and control of the software. In short, can be free software as software for a cause of freedom and not called for the price. Some of the free software offered online is the operating systems, web servers, programming languages, free multimedia container, and text editors. Free software also provides security and reliability of the information provided. The free software provides secure information. Sometimes the free software is vulnerable to problems such as uncertainty in relation to information is available to users worldwide. Free software has bugs, and published them visible to malicious users. The ability to view and modify the software helps the people in the analysis of code and provides the basis for plotting the defects. Therefore, there is the chance to search for weaknesses and errors in the information with the free software. Therefore, it is known that free software is more reliable when compared to the proprietary software. Free software has promoted growth and development of the Internet world. Free software developers made it possible to have the users of the free versions of all popular desktop applications. This software is regarded as pure public document and will help in improving, refining the use of the programs. The free software developed by the dealer delivered to the customer for a small nominal cost, which results in the permanent lower cost. The existence of the free software helps the business companies, the software according to their specific needs and will install the software periodically varying. This software has support any guarantee or liability. Free software users can choose what software they want and have full control over the software that you can use them.