create-react-app sets up your development environment so that you can use the latest JavaScript features, provides a nice developer experience, and optimizes your app for production. You’ll need to have Node >= 10.16 and npm >= 5.6 on your machine. To create a project, run:
npx create-react-app my-app
npx is a Node.js command-line tool which became available with [email protected]. It enables npm to execute command-line Node.js tools without having them to be installed globally.
my-app is the application name, change it to your personal preferences
cd my-app
cd command is known as change directory command. It is used to change current working directory.
npm start
This runs an arbitrary command specified in the package's "start" property of its "scripts" object. If no "start" property is specified on the "scripts" object, it will run node server.js.