const os = require('os');

​

// Format bytes to human-readable format

function formatBytes(bytes, decimals = 2) {

  if (bytes === 0) return '0 Bytes';

  const k = 1024;

  const dm = decimals < 0 ? 0 : decimals;

  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];

  const i = Math.floor(Math.log(bytes) / Math.log(k));

  return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];

}

​

// Get memory information

const totalMem = os.totalmem();

const freeMem = os.freemem();

const usedMem = totalMem - freeMem;

const usagePercent = ((usedMem / totalMem) * 100).toFixed(2);

​

console.log('Memory Information:');

console.log(`- Total Memory: ${formatBytes(totalMem)}`);

console.log(`- Free Memory: ${formatBytes(freeMem)} (${((freeMem / totalMem) * 100).toFixed(2)}%)`);

console.log(`- Used Memory: ${formatBytes(usedMem)} (${usagePercent}%)`);

​

// Example: Check if there's enough free memory

const MIN_FREE_MEMORY = 200 * 1024 * 1024; // 200MB

if (freeMem < MIN_FREE_MEMORY) {

  console.warn('Warning: Low on memory!');

} else {

  console.log('System has sufficient memory available');

}

​