In Node.js, you can read environment variables using the process.env object. This object provides access to all environment variables that are set when the Node.js process was started.

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In Node.js, you can write data to files using the built-in fs module. fs.writeFile() function is used to writing a file asynchronously. fs.writeFileSync() function is used to writing a file synchronously.

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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.

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

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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

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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.

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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.

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