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Unit 3: Using Operating System
Notes
3.7 Utility Software
3.7.1 Utility Software Categories
3.8 Summary
3.9 Keywords
3.10 Self-Assessment Questions
3.11 Review Questions
3.12 Further Reading
Objectives
After studying this unit, you will be able to:
• Basics of operating system.
• Purposes of operating system.
• Types of operating system.
• Discuss of operating system.
• Explain the purpose of operating system.
• Discuss the types of operating system.
• Explain the user interfaces.
Utility Software:
• The user interface
• Running Programme
• Sharing Files
• Managing hardware in operating system
3.1 Basics of Operating System
An operating system is an important part of almost every computer system. A computer system
can be divided roughly into four components—the hardware, the operating sys tem, the application
programs, and the users (Figure 3.1).
Figure 3.1: Abstract View of the Components of a Computer System
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