11 Facts About Version control

In software engineering, version control is a class of systems responsible for managing changes to computer programs, documents, large web sites, or other collections of information.

Need for a logical way to organize and control revisions has existed for almost as long as writing has existed, but revision control became much more important, and complicated, when the era of computing began.

Revision Version control enables reverting a document to a previous revision, which is critical for allowing editors to track each other's edits, correct mistakes, and defend against vandalism and spamming in wikis.

In computer software engineering, revision Version control is any kind of practice that tracks and provides Version control over changes to source code.

When data that is under revision Version control is modified, after being retrieved by checking out, this is not in general immediately reflected in the revision Version control system, but must instead be checked in or committed.

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For source code Version control, the working copy is instead a copy of all files in a particular revision, generally stored locally on the developer's computer; in this case saving the file only changes the working copy, and checking into the repository is a separate step.

Revision Version control systems are often centralized, with a single authoritative data store, the repository, and check-outs and check-ins done with reference to this central repository.

Engineering revision Version control developed from formalized processes based on tracking revisions of early blueprints or bluelines.

Indeed, "contract redline" and "legal blackline" are some of the earliest forms of revision Version control, and are still employed in business and law with varying degrees of sophistication.

Not all revision control systems have atomic commits; Concurrent Versions System lacks this feature.

Some more advanced revision-Version control tools offer many other facilities, allowing deeper integration with other tools and software-engineering processes.