Introduction
GitHub Copilot is an AI-powered coding assistant that helps developers write code faster and with fewer errors. For beginners, understanding its core features—the diff view, terminal, and browser integration—can significantly streamline your workflow. This guide walks you through using these tools effectively in 2026.
Using the Diff View
The diff view in GitHub Copilot allows you to review AI-generated code changes side-by-side with your original code. This feature is essential for maintaining code quality and understanding what Copilot suggests. When you accept a suggestion, the diff highlights additions and deletions, making it easy to spot potential issues.
How to Access the Diff View
- After Copilot generates a code block, hover over it to see options like "Accept" or "View Diff."
- Click "View Diff" to open a split-screen comparison.
- Use the diff to evaluate the changes before committing them.
Leveraging the Terminal
GitHub Copilot integrates with your terminal to provide command suggestions and explanations. This is particularly useful for beginners learning command-line tools. In 2026, Copilot's terminal integration includes enhanced context awareness, allowing it to suggest commands based on your current directory and recent actions.
Practical Terminal Tips
- Type a natural language description of what you want to do (e.g., "list all files modified today") and Copilot will suggest the appropriate command.
- Use the
gh copilot explaincommand to get explanations for complex terminal commands. - Copilot can also generate shell scripts and automate repetitive tasks.
Browser Integration
GitHub Copilot extends to the browser through GitHub.com and supported IDEs like Visual Studio Code. When browsing repositories or documentation, Copilot can provide inline suggestions for code snippets. This seamless integration helps you learn from existing code and apply it directly to your projects.
Browser Features for Beginners
- Code Search: Use Copilot in the browser to search for code examples and get instant explanations.
- Pull Request Reviews: Copilot can summarize changes and suggest improvements directly in the browser interface.
- Documentation Assistance: While reading docs, Copilot can generate code examples based on the content.
Conclusion
Mastering the diff, terminal, and browser features of GitHub Copilot empowers beginners to code more efficiently. As AI tools continue to evolve in 2026, these integrations will become even more intuitive, making Copilot an indispensable part of your development toolkit.
This article was originally inspired by Kayla Cinnamon, Senior AI Developer Tools Advocate at GitHub.
via GitHub AI Blog