Description

NTRODUCTION

• What is an Operating System?
  • An operating system is a program that manages the computer hardware.
  • It also provides a basis for application programs and acts as an intermediary between a user of a computer and the computer hardware.
  • The purpose of an operating system is to provide an environment in which a user can execute programs.

Operating System Short Note

Page Length : 493

Content :

• OPERATING SYSTEMS OVERVIEW

  => Computer System Review
  => Operating System Components
  => Interrupts in Operating Systems
  => Memory Hierarchy – Operating Systems
  => Cache Memory
  => Direct Memory Access
  => Multiprocessor and Multicore Organization
  => Operating System Overview
  => Evolution of Operating System
  => Computer System Organization
  => System Calls
  => System Programs
  => Important Short Questions and Answers: Operating Systems – Process and Threads

• PROCESS MANAGEMENT

  => Processes
  => Process Scheduling
  => Operations on Processes
  => Interprocess Communication
  => Threads
  => Thread Libraries
  => Process Synchronization
  => Critical-Section Problem
  => Mutex Locks
  => Semaphores
  => Monitors
  => CPU Scheduling
  => Deadlock
  => Important Short Questions and Answers: Process Scheduling and Synchronization

• STORAGE MANAGEMENT

  => Memory Management: Background
  => Contiguous Memory Allocation
  => Segmentation
  => Paging
  => Virtual Memory
  => Page Replacement
  => Thrashing
  => Important Questions and Answers: OS Storage Management

• FILE SYSTEMS AND IO SYSTEMS

  => Mass Storage Structure
  => Disk Scheduling and Management
  => File System Storage
  => File Sharing and Protection
  => File Protection
  => File System Structure
  => Directory Structure
  => Allocation Methods
  => Free Space Management
  => Important short Questions and Answers: File Systems in OS

• CASE STUDY

  => Linux System – Basic Concepts
  => System Administration
  => Requirements For Linux Ssytem Administrator
  => Setting Up a Linux Multifunction Server
  => Domain Name System
  => Setting up Local Network Services
  => Setting Up Xen , VMare On Linux Host And Adding Guest OS
  => Important Short Questions and Answers: I/O System in OS