Name some of the events fired by streams.
Each type of Stream is an EventEmitter instance and throws several events at different instance of times. For example, some of the commonly used events are:
data - This event is fired when there is data is available to read.
end - This event is fired when there is no more data to read.
error - This event is fired when there is any error receiving or writing data.
finish - This event is fired when all data has been flushed to underlying system