To install npm run the following command sudo apt install npm Open source developers from every continent use npm to share and borrow packages, and many organizations use npm to manage private development as well. npm is the world’s largest software registry. To start with Node you need to install npm. Now that we have an overview of Node.js let’s start building our first project. It is a server-side scripting framework as opposed to Angular.js which is a client-side scripting framework, this means that Node.js is used for backend development and runs on the server, unlike angular.js which used for frontend development and runs on the client (browser). Node.js s a JavaScript runtime built on Chrome’s V8 JavaScript engine. Now in order for these modules to communicate with each other, they use web services and most of the time we use REST services, and here where node comes handy. The architecture used with this style of development is usually a micro-service architecture, where you build each module completely independent and decoupled from one another so that they are easily maintained and updated without affecting each other. You won’t work in any software company without working with an agile and scrum development process, and that is because it allows fast adaption to change. Agile development is the main development process used by software companies nowadays. Node.js is becoming one of the most important tools to have in today's software world.
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