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When we use Git every day, it feels like a set of simple commands: git add git commit git log But under the hood, Git is doing something surprisingly elegant and mathematical. Instead of “saving files”, Git builds a content-addressed database of obj...

Have you ever wondered how Git remembers every single line of code you've ever written? Or why, when you delete a file, Git can bring it back from the dead in milliseconds? The secret isn't magic—it's a beautifully designed content-addressable filesy...

The .git folder is the control center of Git. It's created when you run git init and stores everything Git needs to manage your project: the entire history, all commits, branches, tags, and internal data. Your working files stay outside .git, but Git...
