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Your first safe commands

This page gives you a calm, beginner-safe starting path. Pick your OS, then copy one command at a time.

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Windows PowerShellMac TerminalLinux Terminal

First 10 commands

npm installInstalls dependencies from package.json into node_modules.npm run devStarts the local dev server with hot reload.http://localhost:3000Opens your local site in the browser at port 3000.npm run buildBuilds the app for production output.npm startStarts the production server from a completed build.npm run lintRuns the project’s lint checks.node -vPrints the installed Node.js version.npm -vPrints the installed npm version.npm installInstalls dependencies from package.json into node_modules.powershell -ExecutionPolicy Bypass -Command "npm run dev"Runs npm by bypassing PowerShell script policy for this session.

Tip: If a command mentions deleting files, slow down and read the warning before you copy it.