To exit a Node.js application, you can use the process.exit() method. This method takes an optional exit code as a parameter and terminates the Node.js process.

​An equivalent of the 'which' command on the Windows command line is 'where' and it serves the same purpose as 'which' on Unix-like systems.

When an application is run through the command-line interface (CLI) of an operating system, the Command-line arguments are used to pass additional information to a program . In Node.js, all command-line arguments received by the shell are given to the process in an array called argv(arguments-values)&pe

gRPC is a high-performance open-source framework for remote procedure calls (RPCs). It uses Protocol Buffers, a language-agnostic data serialization format, and provides support for various programming languages and platforms, including Node.js.

Sometimes Node.Js struggle with serving static content such as images and Javascript files and load balancing across multiple server. Using Nginx as a reverse proxy for a Node.js server can improve performance, scalability, security, and manageability of your application.

Bower and npm are both package managers for front-end web development, but there are some differences between them. Bower requires both Node.js and Git to be installed, while npm only requires Node.js. This means that npm is easier to install and set up.

In JavaScript, null and undefined are both special values that represent the absence of a value, but they are different in their meaning and behavior.