This book is about maintaining computer software. Its aim is to improve a pro gram's capacity for altering code to fit changing requirements and for detecting and correcting errors. The book is written primarily for systems analysts and programmers. But others will also find it interesting. Managers will find ways to decrease costs, improve the organization's performance, and lessen its liability exposure. Re searchers will be given principles to expand upon, and will be able to develop techniques for solving new problems that arise in the world of maintenance. Another group to benefit is...

This book is about maintaining computer software. Its aim is to improve a pro gram's capacity for altering code to fit changing requirements and for detecting and correcting errors. The book is written primarily for systems analysts and programmers. But others will also find it interesting. Managers will find ways to decrease costs, improve the organization's performance, and lessen its liability exposure. Re searchers will be given principles to expand upon, and will be able to develop techniques for solving new problems that arise in the world of maintenance. Another group to benefit is...