Chapter 1. Git & GitHub Overview

In this chapter, we’ll introduce the fundamental concepts of Git and GitHub, which are essential tools for version control and collaboration in software development. We’ll also explore the key features of Git, how to save versions of your code, and the basic life cycle of using Git and GitHub in a project workflow. By the end of this chapter, you'll have a solid understanding of how Git works, how to use GitHub for collaboration, and the GitHub environment for managing code in teams.

What We Cover in This Chapter

The following topics are covered in this chapter:

What Is Git?

In this section, we’ll explore Git as a distributed version control system. Git is essential for tracking changes in your code, managing versions, and collaborating with other developers. We’ll also discuss the differences between Git and GitHub, highlighting how Git handles version control and how GitHub serves as a platform for hosting remote repositories and enabling collaboration.

What Is Version Control?

In this section, we’ll cover version control and its importance in software development. Version control systems, like Git, allow you to track changes in your project files, revert to previous versions, and collaborate with other developers. We’ll discuss the concepts of repositories and commits, and how Git efficiently manages your project’s history using these elements.

How To Save Versions in Git?

In this section, we’ll introduce Git’s three-stage architecture: the working tree, the staging area (INDEX), and the local repository. We'll explore how you can save versions of your project by staging changes and committing them to the repository. You’ll also learn how Git tracks changes in your files, creating a version history that you can access at any time.

Collaborating on Git & GitHub – Remote Repository

In this section, we’ll cover how GitHub facilitates collaboration through remote repositories. We’ll demonstrate how to share code using GitHub and work with other developers by pushing and pulling changes. You’ll learn the basics of creating a remote repository, linking it to your local repository, and using GitHub’s platform to share code and collaborate on projects.

Collaborating on Git & GitHub – Branch

In this section, we’ll explore the concept of branching in Git. Branching allows developers to work on different features or fixes simultaneously without interfering with the main codebase. We’ll discuss how to create branches, switch between them, and merge changes back into the main branch.

Git & GitHub Basic Life Cycle

In this section, we’ll provide an overview of the basic life cycle of using Git and GitHub. We’ll guide you through the typical workflow, from setting up your Git environment and creating repositories to committing changes and collaborating with others. By the end of this section, you’ll understand the common steps involved in using Git and GitHub for a project, and how to apply these practices in real-world scenarios.

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