Understanding the OS Module in Node.js

habtesoft
4 min readNov 15, 2024

The OS module in Node.js provides a set of operating system-related utility methods and properties, allowing developers to interact with and retrieve information about the underlying operating system. It is a core module in Node.js, meaning you do not need to install it separately, and can access it directly after requiring it.

In this article, we’ll explore some of the key features and use cases of the OS module in Node.js with practical examples.

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How to Use the OS Module

To start using the OS module, simply require it at the top of your file:

const os = require('os');

Once you’ve required the module, you can use its various methods and properties to gather information about the system.

Commonly Used Methods and Properties of the OS Module

Here are the most commonly used methods and properties available in the OS module.

1. os.arch()

Returns the architecture of the operating system’s CPU. This is useful for determining whether the system is running a 32-bit or 64-bit version of Node.js.

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habtesoft
habtesoft

Written by habtesoft

Passionate JavaScript developer with a focus on backend technologies. Always eager to connect and learn. Let’s talk, https://buymeacoffee.com/habtesoftat