Glossary

Version Control.

A system that tracks every change to your code, so teams can collaborate and roll back safely.

Version control records the full history of your codebase: who changed what, when, and why. Git is the standard, usually hosted on platforms like GitHub or GitLab. It's the safety net and the collaboration layer underneath every serious software project.

It lets multiple engineers work on the same product without overwriting each other, review changes before they go live, and undo mistakes cleanly. Without it, teamwork on code is chaos and a bad change can be unrecoverable.

Beyond safety, version control is the backbone of professional delivery. Code review, automated testing, and CI/CD pipelines all build on top of it. If a team isn't using it well, that's a red flag.

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