Opening Command Line on Windows

On Windows, the command line tool is called Command Prompt or PowerShell, depending on your version. Command Prompt is the older, simpler tool. PowerShell is newer and more powerful. Both do the same basic job — they let you type commands instead of clicking buttons.

The fastest way to open Command Prompt is to press the Windows key, type cmd, and press Enter. A black window will appear with a blinking cursor. That is Command Prompt, ready for you to type commands.

To open PowerShell instead, press the Windows key, type powershell, and press Enter. PowerShell looks similar but has a blue background by default. If you are on Windows 11, you may see Windows Terminal appear first — that is a newer wrapper that runs both Command Prompt and PowerShell. You can use it the same way.

You can also right-click on your desktop or inside any folder and look for an option that says "Open Command Prompt here" or "Open PowerShell window here". This opens the command line already pointed at that location, which saves you a step if you are working with files in a specific folder.

Opening Command Line on Mac

On Mac, the command line tool is called Terminal. It is built into every Mac and does not need to be installed.

The fastest way to open Terminal is to press Command + Space to open Spotlight search, type terminal, and press Enter. A white or black window will appear with a prompt that usually ends in a dollar sign ($). That is Terminal, ready for commands.

You can also find Terminal by opening Finder, going to Applications, then Utilities, and double-clicking Terminal. This takes longer but works if you prefer clicking through folders.

If you use Terminal often, you can add it to your Dock so it stays visible. Right-click the Terminal window, hover over Options, and click "Keep in Dock". After that, you can open it by clicking the Dock icon instead of using Spotlight.

Opening Command Line on Linux

On Linux, the command line tool is called Terminal or sometimes Console. The exact name and appearance depend on which Linux distribution and desktop environment you use, but the process is similar across most systems.

On Ubuntu with GNOME (the most common setup), press the Super key (Windows key), type terminal, and press Enter. A window will open with a prompt, usually ending in a dollar sign ($) or a hash mark (#).

On other distributions, Terminal is usually in your applications menu. Click the applications button (often in the top left or bottom left), search for Terminal, and click it. You can also right-click on the desktop and look for an option to open Terminal directly.

Many Linux users keep Terminal pinned to their taskbar or dock for quick access, since they use it frequently. Check your desktop environment's documentation if you want to pin it permanently.

Key Takeaways

  • On Windows, press the Windows key, type cmd or powershell, and press Enter to open Command Prompt or PowerShell.
  • On Mac, press Command + Space, type terminal, and press Enter to open Terminal.
  • On Linux, press the Super key, type terminal, and press Enter, or find it in your applications menu.
  • You can right-click inside a folder on Windows or Mac to open the command line already pointed at that location.
  • Once open, the command line shows a prompt where you can type commands — this is where you enter the text instructions you want the computer to run.

What You See When Command Line Opens

When you first open the command line, you will see a window with a prompt. The prompt is the text that appears before you start typing — it tells you the command line is ready for input. On Windows, it usually looks like C:\Users\YourName>. On Mac and Linux, it usually looks like username@computername:~$.

The prompt also tells you where you are in the file system. The tilde (~) on Mac and Linux means you are in your home directory. The C:\Users\YourName on Windows means the same thing. If you navigate to a different folder, the prompt will change to show that location.

The cursor (a blinking line) appears after the prompt. This is where you type. You do not need to click — just start typing. When you finish typing a command, press Enter to run it.

Keeping Command Line Open and Accessible

If you use the command line regularly, you can make it easier to reach. On Windows, you can pin Command Prompt or PowerShell to your taskbar by right-clicking the window and selecting "Pin to taskbar". After that, it stays visible at the bottom of your screen.

On Mac, you can add Terminal to your Dock the same way — right-click the window, hover over Options, and click "Keep in Dock". On Linux, the process depends on your desktop environment, but most allow you to right-click the process in your menu and select "Add to Favorites" or "Pin".

You can also create a keyboard shortcut to open the command line faster. On Windows, right-click Command Prompt in your Start menu, select "Open file location", right-click the shortcut, choose Properties, and click in the "Shortcut key" field to set a custom key combination. On Mac and Linux, this varies by desktop environment — check your system settings under Keyboard or Shortcuts.

Closing Command Line

When you are done using the command line, you can close it like any other window. Click the X button in the top right corner (on Windows and Linux) or top left corner (on Mac). You can also type exit and press Enter, which closes the window cleanly.

Closing the command line does not undo any commands you already ran. If you used a command to delete a file or change a setting, that change stays in effect even after you close the window. Be careful with commands that make permanent changes.

Frequently Asked Questions

Can I have multiple command line windows open at once?

Yes. Open the command line again using the same method you used the first time. Each window is separate and independent. You can run different commands in each one, or run the same command in multiple windows. This is useful if you are working on different tasks at the same time.

What if nothing happens when I type a command?

Make sure you pressed Enter after typing the command. The command line does not run anything until you press Enter. If you pressed Enter and still nothing happened, the command may not exist, may be misspelled, or may not be installed on your computer. Try typing the command again, checking for typos.

Is it dangerous to use the command line?

The command line is powerful and runs exactly what you type, so it is possible to accidentally delete files or change settings if you run the wrong command. If you are new to the command line, copy commands carefully from reliable sources and understand what they do before pressing Enter. Do not run commands from untrusted websites.

Why does my command line look different from the examples?

The appearance of the command line varies by operating system, version, and settings. The prompt text, colors, and fonts can all be customized. As long as you see a prompt and a cursor where you can type, it is working correctly. The commands you type work the same way regardless of how it looks.

Can I make the command line window bigger or smaller?

Yes. Drag the edges or corners of the window to resize it like any other window on your computer. You can also maximize it to fill your screen by clicking the maximize button. Some command line tools let you change the font size and colors in their settings or preferences menu.