node/lib/os.js

var binding = process.binding('os');

exports.hostname = binding.getHostname;
exports.loadavg = binding.getLoadAvg;
exports.uptime = binding.getUptime;
exports.freemem = binding.getFreeMem;
exports.totalmem = binding.getTotalMem;
exports.cpus = binding.getCPUs;
exports.type = binding.getOSType;
exports.release = binding.getOSRelease;