Command Line Basics: Move Around Your Computer with Text

Technology & Software · Written by the Blessed Records editorial team · Published 21 October 2026

The command line looks intimidating, with its black window and blinking cursor, yet the most useful commands are few and easy to learn. Developers use it to run tools, manage files and control servers, and many online tutorials assume you can open one. This guide gives you a safe starting kit.

What it is

The command line, also called the terminal or shell, lets you control your computer by typing instructions instead of clicking. On macOS and Linux it is called Terminal. On Windows you can use PowerShell or Windows Terminal. The basic ideas are the same across systems, although some command names differ.

Essential commands

• pwd shows the folder you are in (on Windows PowerShell, pwd also works).
• ls lists files (PowerShell accepts ls and dir).
• cd foldername moves into a folder, and cd .. moves up one level.
• mkdir name creates a new folder.
• cp file1 file2 copies a file (PowerShell uses copy or cp).
• mv old new moves or renames a file.
• cat file shows the contents of a text file on macOS and Linux.

Habits that save time

• Press the Tab key to auto-complete file and folder names.
• Press the up arrow to bring back previous commands.
• Use quotation marks around names with spaces.
• Type clear to tidy the screen.

Be careful with deleting

The command rm deletes files permanently and does not send them to a recycle bin. Commands with options such as -r can delete entire folders. Double-check the path before you press enter, never run a command you do not understand and never paste commands from an unknown source into the terminal.

Try this practice session

1. Open your terminal and type pwd to see where you are.
2. Create a folder called practice with mkdir practice.
3. Move into it with cd practice.
4. Create a text file using your system’s method, then list the folder to see it.
5. Go back up with cd .. and list again.

Why it is worth learning

Many professional tools, including Git, package managers and server software, are controlled through the command line. Even a basic comfort with it makes tutorials easier to follow and speeds up repeated tasks. You do not need to memorise everything. Keep a short cheat sheet nearby and add to it as you learn.

Common questions

Can I break my computer with the command line?
Only if you run destructive commands you do not understand. Stay in a practice folder while learning and double-check delete commands.

Is PowerShell the same as the Linux terminal?
They share ideas and some command names, but they are different tools with different syntax for many tasks.

Do I need the command line to build websites?
Not always, but it becomes very useful for tools such as Git and package managers.

Make a personal cheat sheet

Write each new command in a small notebook or a plain text file with one line explaining what it does and an example. Reviewing it for a few minutes each day fixes the commands in your memory much faster than reading long lists.

Key takeaways

• The command line lets you control your computer through typed commands.
• A few commands cover navigation, creating, copying and moving files.
• Be careful with delete commands and trust only commands you understand.

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• Open Source Explained: What It Is and How to Contribute
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This article is for general information and education. It is not legal, financial or professional advice. Read our editorial standards.