---
title: "Discussion on \"Inside Git: How It Works and the Role of the .git Folder\" | Hashnode"
description: "Discussion on \"Inside Git: How It Works and the Role of the .git Folder\". How Git Works Internally\nGit is essentially a persistent map of Keys and Values. Values are your file contents, and the Keys are unique 40-character strings (a SHA-1 hash) generated based on that content. When you save a file in Git, it doesn't care ..."
url: "https://hashnode.com/posts/inside-git-how-it-works-and-the-role-of-the-git-folder/696dd461f9a58b90a4d71472"
---

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# [Inside Git: How It Works and the Role of the .git Folder](https://how-git-works-by-rahul.hashnode.dev/inside-git-how-it-works-and-the-role-of-the-git-folder?utm_source=hashnode&utm_medium=feed)

How Git Works Internally Git is essentially a persistent map of Keys and Values. Values are your file contents, and the Keys are unique 40-character strings (a SHA-1 hash) generated based on that content. When you save a file in Git, it doesn't care ...

Jan 19 · 3 min read · how-git-works-by-rahul.hashnode.dev  
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## Written by

[Rahul Ghosh](https://hashnode.com/@itsRahul007)

@itsRahul007

  
[View profile](https://hashnode.com/@itsRahul007)

Software engineer

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