Software control subversion is used mainly in the computer system upgrades of other software programs. One program, no matter how simple it may be, still needs several people working on it. If seven people work on a particular project, data loss is inevitable, especially if these programmers are not aligned in terms of goals or what they need to accomplish. These computer software engineers need a program that will show them the progress of each one's work and what has been done so far. Historical data is maintained, so if there is an error in the new and emerging computer product, it will be easy to find out who did the mistake, what caused the mistake, and how to resolve the issue.

These files, if worked upon buy these different computer engineers or program software developers, will eventually overlap. Also, there just might be mishaps in which files are overwritten. Just imagine a word file which was opened simply for viewing. However, the user accidentally changed something and absent-mindedly pressed Control + S or saved the file, overwriting the existing document. So much data had been lost for a single mishap. And it is too unfortunate that there is no way to retrieve lost data if it was overwritten. It would have been better if the files were deleted since there are data recovery programs available now.

If this happens in software development, the setback may cost millions. This is where control subversion comes in. In terms of quality, it may be said that the usage of subversion is like a preventive measure. Programmers know that preventing data loss is not an option, and it is definitely out of the question.

Subversion is a product that was patented to Apache License. It is free software that was launched in the year 2000 from a company called CollabNet, Inc., in an effort to develop a better version control system, for existing and future projects. Testimonies by users abound on how Subversion has revolutionalized the world of version control.

Control subversion has features that may be available to other version control systems. One of the highlights of this, though, is that files, even if renamed, will have a source data from which the original file names are stored and how many times the names were changed. This also includes copied files, moved files, and removed files.

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