INTRODUCTION

Virtual Memory in OS, is a space (using hard disk space for additional memory allocation), where large programs can store themselves in form of pages while their execution and are mapped back to the main memory in order to be used.

5.1     NEED FOR VIRTUAL MEMORIES

  • VM allows efficient use of limited main memory (RAM)

  • VM simplifies memory management for programmers

  • VM isolates address spaces

LECTURE 5

VIRTUAL MEMORY

WED JUN 27 2018

Need for Virtual Memories