Evaluating the software system is a complex issue. This Paper attempts to provide a comprehensive view of the field software Testing Techniques. Software Testing provides a way to analyzing a software item to detect the differences between existing and required conditions. It also means to find the various errors that occur in the software because of which the software is not able to give the cor rect output. From last few decades numerous software testing tools & techniques have emerged to evaluate the system. The major issue within software testing field is to detect bugs . There are various techniques available for testing software
