2.1 Operating System objectives and Functions 2.1.0 Introduction .2 1.1 The Operating System as a User/computer Interface 2. 1. 2 The Operating System as resource Manager 2.1.3 Ease of evolution of an operating system2.1 Operating System Objectives and Functions • 2.1.0 Introduction • 2.1.1 The Operating System as a User/Computer Interface • 2.1.2 The Operating System as Resource Manager • 2.1.3 Ease of Evolution of an Operating System 9