The document discusses different types of knowledge management systems. It begins by explaining the nature of systems thinking and defining what constitutes a system. It then outlines some key drivers of knowledge management systems, including total quality management and business process reengineering. Several types of knowledge management systems are described, including electronic document management systems, decision support systems, group decision support systems, executive support systems, performance support systems, workflow management systems, and customer relationship management systems. The goal of these different knowledge management systems is discussed as helping to enable cost savings, quality control, and cultural and process changes within organizations.