Batch processing is a type of operating system. It is one of the oldest method of run program. The method of batch processing reduces the idle time of computer system because transition from one job to another job does not require operator instruction. In batch processing system, the various jobs of the user are collected in queue. This process is called spooling. The users did not interact directly with computer system. The user prepare their job that consisted of a program, data and so on control information. This job was usually in form of punched cards.