A system having at least one information processing apparatus such as a word processor and a printing apparatus as a print server for printing print data which is given from the information processing apparatus using print programs. When the print data which the information processing apparatus itself has is printed by the printing apparatus, the information processing apparatus transfers a print program suitable to print the print data to the printing apparatus, so that the printing apparatus prints the print data by using the print program transferred. In the case where a plurality of data are stored in a memory apparatus in the print server, the data is outputted to the printing apparatus in accordance with a predetermined order. However, when the print server receives an output request of the data from the information processing apparatus from the information processing apparatus, in the case where there is no data which is being outputted to the printing apparatus or whose output is waited, the output requested data is supplied to the printing apparatus without being stored into the memory device.