1. Chapter 4 – Introduction to Operating System Concepts
CMIT100
Chapter 4 – Introduction to Operating System Concepts

2. Learning Objectives Describe the roles of the operating system.
Compare the graphical user interface and the command line interface.
Differentiate between the forms of process management.
Discuss the interrupt and the context switch.
Describe virtual memory.
Discuss the issues involved in resource management: synchronization and deadlock.
Describe the boot process and system initialization.
Provide step-by-step instructions on Windows 7 and Linux Red Hat installation.

3. What is an Operating System?
Control and access to computer hardware
Examples:
Windows 7
Windows 8
Windows 10
MacOS X
Linux
FreeBSD
And many more….

4. Components of an Operating System
Kernel
Shell
Device Drivers
Utility Programs
Examples: Windows Defender, Defrag

5. Operating System Tasks
User Interface
GUI
Command Line
Process Management
Resource Management
File System Management
Memory Management
Swap Space/Page File
Security

6. Types of Process Management
Single Tasking
Batch
Multitasking
Multithreading

7. Booting and System Initialization
CPU Initializes
BIOS performs POST
Disk Controllers Initialize
BIOS searches for an OS
Boot Loader runs
OS Kernel loads
System Services start

8. The Administrator Account
Windows
Administrator
Linux
Root

9. LAB - Installing an OS

10. Creative Commons Statement