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Technology

Git Explained

Understanding the Basics of Git

In short

Git is a version control system that helps developers track changes in their codebase over time.

By Shubh Singh

Published July 28, 2026

3 min read

1 reads

Beginner

A diagram showing the basic workflow of Git, including local and remote repositories.
A diagram showing the basic workflow of Git, including local and remote repositories.
  • version-control
  • git
  • github
  • collaboration
  • development

Cite this page: https://www.whatiswiki.com/what-is-git

Introduction

Git is a version control system that helps developers track changes in their codebase over time. It allows multiple developers to collaborate on a project, tracking changes and maintaining different versions of the codebase.

At its core, Git is a distributed version control system, meaning that every developer working on a project has a local copy of the entire codebase. This allows developers to work independently and then merge their changes into the main codebase.

Table of contents8 sections
  1. 1.Introduction
  2. 2.Background and Origin
  3. 3.How Git Works
  4. 4.Why Git Matters
  5. 5.Common Misconceptions
  6. 6.Key takeaways
  7. 7.Frequently asked questions
  8. 8.Conclusion

Background and Origin

Git was created by Linus Torvalds in 2005, while he was working on the Linux kernel. At the time, Torvalds was using a version control system called BitKeeper, but he became dissatisfied with its limitations and decided to create his own system.

Torvalds designed Git to be fast, flexible, and scalable, with the ability to handle large codebases and thousands of developers. He released Git as an open-source project, and it quickly gained popularity among developers.

How Git Works

Git works by creating a local repository on each developer's machine, which contains a copy of the entire codebase. When a developer makes changes to the code, they can commit those changes to their local repository, which creates a new version of the codebase.

Developers can then push their changes to a remote repository, such as GitHub or GitLab, where they can be reviewed and merged into the main codebase. This process allows multiple developers to collaborate on a project, tracking changes and maintaining different versions of the codebase.

Git also includes a number of tools and features, such as branching and merging, which allow developers to work on different versions of the codebase simultaneously.

Why Git Matters

Git matters because it allows developers to collaborate on large, complex projects, tracking changes and maintaining different versions of the codebase. This makes it easier to manage and maintain large codebases, and to ensure that changes are properly tested and reviewed.

Git also provides a number of benefits for individual developers, including the ability to work independently and then merge their changes into the main codebase. This makes it easier for developers to work on their own projects, and to contribute to open-source projects.

Common Misconceptions

One common misconception about Git is that it is only for large, complex projects. However, Git can be used for projects of any size, from small personal projects to large enterprise applications.

Another common misconception is that Git is difficult to learn. While Git does have a steep learning curve, it is a powerful and flexible tool that can be mastered with practice and patience.

Key takeaways

  • ✓Git is a version control system, while GitHub is a web-based platform for hosting and managing Git repositories. GitHub provides a number of
  • ✓To get started with Git, you will need to install Git on your machine and create a GitHub account. You can then create a new repository and
  • ✓Some common Git commands include <code>git init</code>, which initializes a new Git repository; <code>git add</code>, which stages changes t

Frequently asked questions

What is the difference between Git and GitHub?

Git is a version control system, while GitHub is a web-based platform for hosting and managing Git repositories. GitHub provides a number of tools and features for managing and collaborating on Git projects, but it is not the same as Git itself.

How do I get started with Git?

To get started with Git, you will need to install Git on your machine and create a GitHub account. You can then create a new repository and start tracking changes to your codebase. There are many online resources and tutorials available to help you learn Git, including the official Git documentation and a number of online courses and tutorials.

What are some common Git commands?

Some common Git commands include <code>git init</code>, which initializes a new Git repository; <code>git add</code>, which stages changes to be committed; <code>git commit</code>, which commits changes to the repository; and <code>git push</code>, which pushes changes to a remote repository.

Conclusion

Git is a free, open-source version control system that allows developers to track changes in their codebase.

References

  • Git Documentation
  • GitHub

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About the author

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Shubh Singh

Shubh covers technology, business, and practical “what is…?” explainers for WhatIsWiki, with a focus on clear definitions, dates, and primary sources. He builds the site’s publishing systems and writes so readers leave with a usable answer—not more jargon.

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Technology