lib/systemMonitor.js
function getSysInfo(callback) {
	if (process.platform === 'windows') return;
  var reData = getBasicInfo();
  exec('iostat ', function(err, output) {
		if (!!err) {
			console.error('getSysInfo failed! ' + err.stack);
		} else {
			reData.iostat = format(output);
		}
		callback(reData);
  });
}
function getSysInfo(callback) {
	if (process.platform === 'windows') return;
  var reData = getBasicInfo();
  exec('iostat ', function(err, output) {
		if (!!err) {
			console.error('getSysInfo failed! ' + err.stack);
		} else {
			reData.iostat = format(output);
		}
		callback(reData);
  });
}
function getSysInfo ( callback ) { if ( process . platform === 'windows' ) return ; var reData = getBasicInfo ( ) ; exec ( 'iostat ' , function ( err , output ) { if ( ! ! err ) { console . error ( 'getSysInfo failed! ' + err . stack ) ; } else { reData . iostat = format ( output ) ; } callback ( reData ) ; } ) ; }
get information of operating-system

@param {Function} callback
@api public
get information of operating - system