GitHub Copilot CLI is a powerful tool that brings AI-assisted coding directly to your terminal. Whether you're a beginner or seasoned developer, understanding its two main modes—interactive and non-interactive—can drastically improve your workflow. In this article, we break down eight essential tips to help you master both modes, from entering each one to knowing when to use them. You'll learn how to leverage interactive mode for deep, iterative tasks and non-interactive mode for fast, one-off queries. By the end, you'll be navigating the command line like a pro.
1. What Is GitHub Copilot CLI?
GitHub Copilot CLI is a command-line extension of GitHub Copilot that lets you ask coding questions, generate code snippets, and run commands directly from your terminal. Instead of switching to a web interface, you stay in your shell environment. The CLI offers two modes: interactive (default) for conversational, multi-step assistance, and non-interactive for quick, single prompts. Both modes can analyze your project files, suggest commands, and even execute tasks with your permission. This tool is ideal for beginners who want to learn terminal commands and for experts who need to automate repetitive tasks. By familiarizing yourself with these modes, you can choose the best approach for any situation, saving time and reducing errors.
2. Interactive Mode: The Conversational Approach
Interactive mode provides a back-and-forth, chat-like experience within your terminal. When you start GitHub Copilot CLI without any special flags, you automatically enter this mode. Here, you can ask a question, review the AI's response, and then ask follow-up questions or give new instructions—all in one continuous session. This is perfect for exploring complex problems, debugging, or learning new commands. The AI remembers your conversation context, so you can refine your requests iteratively. For example, you can ask "How do I run this project?" then follow up with "Can you actually run it for me?" Copilot will analyze your files and execute the necessary commands, provided you grant permission. Interactive mode is best when you don't have a fixed question and want to explore possibilities.
3. How to Start Interactive Mode
To enter interactive mode, simply open your terminal and type copilot, then press Enter. Copilot may ask you to trust the current folder—this is required because it needs permission to read and modify files in your project. Once granted, you'll see a prompt where you can type your question. For instance, try asking “How do I run this project locally?” Copilot will provide step-by-step instructions. If you want it to execute the steps, say “Can you run it for me?” It will analyze your project structure and start the server or process. You can then review the output, ask for changes, or continue working within the same session. This mode is ideal for hands-on collaboration with the AI, allowing you to build and debug iteratively without leaving the terminal.
4. Non-Interactive Mode: Speed and Simplicity
Non-interactive mode is designed for quick, one-off queries. Instead of entering a full chat session, you pass a single prompt directly on the command line and get an immediate answer. This mode is perfect for tasks like summarizing a repository, generating a short code snippet, or integrating Copilot into automated scripts. The response appears instantly, and then you're back to your normal terminal flow. There's no conversation history—each prompt is isolated. This makes it ideal when you already know exactly what you need and want to minimize disruption. For example, you can quickly ask “Summarize the key folders in this repo” without opening a dialog. Non-interactive mode excels in efficiency for straightforward, no-follow-up requests.
5. How to Use Non-Interactive Mode
To use non-interactive mode, start from a regular terminal prompt (if you're inside an interactive Copilot session, exit first). Then type copilot -p followed by your prompt in quotes. For instance: copilot -p "Quickly summarize what this repository does and its key folders". Copilot will scan your project files and output a concise answer directly in the terminal. That's it! No session to join, no follow-up questions. This one-shot method is great for automated workflows, CI/CD pipelines, or when you just need a fast answer without context. You can also use it to generate boilerplate code or explain a specific command. Once you see the response, you can continue with your work immediately. This mode minimizes cognitive load and keeps you in the flow.
6. Interactive vs. Non-Interactive: Choosing the Right Mode
The choice between interactive and non-interactive modes depends on your task. Use interactive mode when you need to explore, debug, or iterate—like setting up a new project, understanding unfamiliar code, or troubleshooting errors. It's conversational, so you can ask follow-up questions and refine results. Non-interactive mode is best for known, simple requests where you don't need history—like generating a quick regex, summarizing a file, or checking a syntax. If you're automating tasks, non-interactive mode fits easily into scripts. In practice, many developers switch between modes: they start with interactive to understand a problem, then use non-interactive for repetitive parts. Both modes can access your project files, but interactive gives deeper context over multiple turns.
7. Pro Tips for Both Modes
Maximize efficiency with these tips: For interactive mode, always grant folder trust initially to avoid permission prompts later. Use clear, specific questions to get better answers. If Copilot's suggestion is too long, ask it to summarize or step-by-step. You can also say “Explain this” to get context. For non-interactive mode, keep prompts concise but include enough context. For example, “Generate a Python script to read a CSV and print the header” works better than “Write code.” Combine both modes: start interactive to explore, then switch to non-interactive for one-off tasks. Also, remember that non-interactive answers are stateless; you can't ask follow-ups. If you need to refine, re-enter interactive mode. Finally, practice with sample projects to build confidence—both modes become intuitive with use.
8. Conclusion: Mastering Both Modes for Terminal Mastery
GitHub Copilot CLI's interactive and non-interactive modes each serve distinct purposes. Interactive mode is your go-to for deep, collaborative coding sessions, while non-interactive mode offers lightning-fast answers for known questions. By understanding when and how to use each, you can greatly boost your productivity in the terminal. Start by experimenting with both modes on small tasks—ask Copilot to explain a command, generate a snippet, or run a script. Over time, you'll develop a natural feel for which mode fits each situation. Remember, the CLI is a tool to augment your skills, not replace them. With these eight tips, you're now equipped to harness the full power of GitHub Copilot CLI. Happy coding!