Source Code Management
When you work on a project involving many files that evolve over long periods of time, it can be difficult to keep track of the versions of the files, particularly if several people are updating the files. This problem frequently occurs in large software development projects. Source code and documentation files change frequently as you fix bugs, enhance programs, and release new versions of the software. It becomes even more complex when more than one version of each file is active. Frequently customers are using one version of a file while a newer version is being modified. You can easily lose track of the versions and accidentally undo changes or duplicate earlier work.
To help avoid these kinds of problems, GNU/Linux ...
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