Introduction

Readings: Chapter 1, Singhal, and Chapter 1, Comer.

An operating system is a set of procedures that provide facilities to:

• allocate resources to processes, and
• hide the details of the physical machine and provide a more pleasant virtual machine.

We shall call these facilities the resource and beautification facilities respectively.

• Resource Facilities
  • Processes
  • Resources
• Beautification Facilities
• What an Operating System is Not
• Services provided by an Operating System