Software can be said to of good quality, if it is capable to complete the needs of the customer. If a developer fails to complete the needs of the customer than he or she may fails to develop good quality software. The most common thing in development process is the requirement gathering and customer needs. Many specific techniques are required to develop software. The software development plays a crucial role in software engineering. Software engineering is an approach to develop, maintain and operate the software. For this, the developer’s needs to adopt the software engineering concepts, strategies, and practices to avoid the conflicts that are occur during the development process. To develop good quality software, software engineering is required. So it is necessary to maintain the good quality software. As software requirement is increases day by day.

To fulfill this need, the software engineering is required. So with the change of time the need of software is also increase. It is also works on the various operating systems. Software are distributed among the various system, hence it can works in one or more than none processes.