Opening the terminal
The app where everything starts. Friendlier than it looks.
Every Mac ships with an app called Terminal. It's a way of talking to your computer with typed commands instead of clicks: you type a line, press Enter, the machine does it. Coding agents live here, so it's worth making friends with it now.
Good news: there's nothing to memorize. Every command in this guide is copy-paste. When you see a % or $ at the start of a line, that's the terminal saying “ready when you are.” It's already on your screen, so you never type it.
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Press ⌘ + Space to open Spotlight, type Terminal, and press Enter.
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A mostly-empty window opens with a blinking cursor. That cursor is the whole interface, and it's where you'll paste the commands in the next few chapters. Leave it open.
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