Operating-System Structures Operating System Services User Operating System Interface System Calls Types of System Calls System Programs Operating System Design and Implementation Operating System Structure Virtual Machines Operating System Generation System Boot Silberschatz, Galvin and Gagne ©2005 .Objectives To describe the services an operating system provides to users, processes, and other systems To discuss the various ways of structuring an operating system To explain how operating systems are installed and customized and how they boot Operating System Concepts – 7th Edition, Jan 14, 2005.