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What Is The Terminal

Part of the Fundamentals section of Coddy's Terminal journey — lesson 1 of 82.

The terminal is a powerful text-based interface that lets you communicate directly with your computer's operating system.

Instead of clicking buttons and icons, you type commands to navigate files, run programs, and manage your system. Learning the terminal is an essential skill for any developer.

challenge icon

Challenge

Easy

Welcome to your first terminal command! The command is already written for you.

What to do:

  1. Look at the command: echo "Hello World!"
  2. Type it in the terminal and press Enter to execute it
  3. You should see "Hello World!" appear in the output
  4. Press the submit button to complete the lesson

Cheat sheet

The terminal is a text-based interface for communicating with your computer's operating system through typed commands.

Use echo to display text in the terminal:

echo "Hello World!"

Try it yourself

Terminal
echo "Hello World!"

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