const os = require('os');

​

// Basic system information

console.log(`OS Platform: ${os.platform()}`);

console.log(`OS Type: ${os.type()}`);

console.log(`OS Release: ${os.release()}`);

console.log(`CPU Architecture: ${os.arch()}`);

console.log(`Hostname: ${os.hostname()}`);

​

// Memory information

const totalMemGB = (os.totalmem() / (1024 * 1024 * 1024)).toFixed(2);

const freeMemGB = (os.freemem() / (1024 * 1024 * 1024)).toFixed(2);

console.log(`Memory: ${freeMemGB}GB free of ${totalMemGB}GB`);

​

// User information

const userInfo = os.userInfo();

console.log(`Current User: ${userInfo.username}`);

console.log(`Home Directory: ${os.homedir()}`);

​