os
property
Provides operating system-related utility methods: CPU info, memory, platform, home directory.
Syntax
const os = require('os')
Example
javascript
const os = require('os');
console.log(os.platform()); // 'linux', 'win32', 'darwin'
console.log(os.arch()); // 'x64', 'arm64'
console.log(os.hostname()); // machine name
console.log(os.homedir()); // '/home/user'
console.log(os.cpus().length); // number of CPU cores
console.log(os.totalmem() / 1024 ** 3 + ' GB');
console.log(os.freemem() / 1024 ** 3 + ' GB');