Lesson Outcomes
After completing this lesson, learners will be able to:
- Define Git and GitHub.
- Explain the purpose of version control.
- Describe how Git is used to track changes in code.
- Explain the role of GitHub in collaboration.
- Identify basic Git and GitHub concepts.
Overview
In web development, managing code changes and working with others is very important.
Git is a version control system that helps developers track changes in their code.
GitHub is an online platform that allows developers to store, manage, and share their code using Git.
Together, Git and GitHub help developers:
- Keep track of code changes
- Work collaboratively
- Manage different versions of a project
- Store code safely online
1. What is Version Control?
Version control is a system that helps track changes made to files over time.
It allows developers to:
- Keep a history of changes
- Restore previous versions
- Work on different versions of a project
- Collaborate with others
Benefits of Version Control
- Prevents loss of work
- Makes it easy to fix mistakes
- Tracks who made changes
- Supports teamwork
2. What is Git?
Git is a distributed version control system used to manage code changes.
It allows developers to track changes locally on their computer.
Key features of Git include:
- Tracking file changes
- Saving versions of code
- Working offline
- Supporting multiple developers
How Git Works
Git records changes in a project using snapshots.
Each saved version is called a:
- Commit
A commit includes:
- Changes made
- Author of the changes
- Time and date
3. Basic Git Concepts
3.1 Repository (Repo)
A repository is a folder where a project is stored.
It contains:
- Code files
- Project history
- All changes made
3.2 Commit
A commit is a saved version of the project.
It helps track changes over time.
3.3 Branch
A branch is a separate version of the project.
It allows developers to:
- Work on new features
- Test changes safely
- Avoid affecting the main project
3.4 Merge
Merging combines changes from different branches into one.
4. What is GitHub?
GitHub is a cloud-based platform that uses Git.
It allows developers to store and manage code online.
With GitHub, users can:
- Upload repositories
- Share code with others
- Collaborate on projects
- Track changes remotely
5. GitHub Features
GitHub provides tools for collaboration and project management.
5.1 Remote Repositories
GitHub stores code online, allowing access from anywhere.
5.2 Collaboration
Developers can:
- Work together on projects
- Review each other’s code
- Suggest improvements
5.3 Version History
GitHub keeps a full history of changes.
This allows users to:
- View past versions
- Track updates
- Restore older versions
5.4 Pull Requests
A pull request is used to propose changes to a project.
It allows team members to:
- Review code
- Discuss changes
- Approve updates
6. Importance of Git and GitHub in Web Development
Git and GitHub are essential tools for modern developers.
They help learners:
- Manage code versions
- Work collaboratively
- Track changes efficiently
- Share projects with others
- Build professional development workflows
These tools are widely used in the software development industry.
Key Notes
- Version control tracks changes in files over time.
- Git is a tool used for version control.
- GitHub is an online platform that stores Git repositories.
- A repository stores project files and history.
- A commit is a saved version of the project.
- Branches allow developers to work on separate versions of code.
- Merging combines changes from different branches.
- GitHub supports collaboration and code sharing.
- Pull requests are used to review and approve changes.
- Git and GitHub are essential for teamwork in development.