You run git commit every day, maybe dozens of times. But have you ever wondered what actually happens when you do? Where does your code go? What even is a commit? Most of us treat Git like a magic black box — we memorize commands, and when things break, we panic.
Why It Matters
Understanding Git internals isn't just trivia for computer science nerds. When you know how Git actually stores your data, you can recover from catastrophic mistakes, finally understand why merge conflicts happen the way they do, and debug issues that would otherwise leave you copy-pasting from Stack Overflow. Git stops being magic and starts being a simple, elegant system you actually control.
Every Git repository has a hidden .git folder at its root. This is the database. Everything Git knows about your project lives here. Let's peek inside:
# Create a fresh repo and explore
