What is Git and How Does Version Control Work?

If you write code, you need to use Git. Full stop. It’s become so fundamental to software development that it’s hard to imagine working without it. But here’s the thing: a lot of developers use Git without really understanding what’s happening under the hood. Let me fix that.

I’m going to walk you through what Git actually does, why it’s designed the way it is, and how to use it effectively. By the end, you’ll understand not just the commands, but the underlying model that makes Git so powerful.