Core Modules
Node.js OS
Node.js OS Module
Node.js OS module provides system info like cpus and platform.
Introduction to Node.js OS Module
The Node.js os module provides a number of operating system-related utility methods. It allows developers to access information about the system's CPU, platform, memory, and more. This can be particularly useful for applications that require system-specific configurations or optimizations.
Loading the OS Module
To use the os module in your Node.js application, you must first require it. This is done using the require function.
Getting System Information
The os module provides several methods to retrieve information about the operating system. Here are some commonly used methods:
Understanding CPU Information
The os.cpus() method returns an array of objects containing information about each logical CPU core available in the system. Each object provides details such as the model, speed (in MHz), and times (an object containing CPU time spent in various modes).
Using Platform Information
The os.platform() method returns a string identifying the operating system platform. Common values include 'darwin' for macOS, 'win32' for Windows, and 'linux' for Linux. This can be useful for writing cross-platform Node.js applications.
Conclusion
The Node.js os module is a powerful tool for retrieving operating system-specific information. Whether you're developing cross-platform applications or need to optimize your application for specific hardware configurations, the os module provides the necessary methods to access detailed system information.
