TAILIEUCHUNG - Lecture Operating systems: Internals and design principles (6/E): Chapter 2 - William Stallings

Chapter 2 "Operating system overview", after studying this chapter, you should be able to: Summarize, at a top level, the key functions of an operating system (OS); discuss the evolution of operating systems for early simple batch systems to modern complex systems; discuss the key design areas that have been instrumental in the development of modern operating systems;. | Chapter 2 Operating System Overview Patricia Roy Manatee Community College, Venice, FL ©2008, Prentice Hall Operating Systems: Internals and Design Principles, 6/E William Stallings 1 Operating System A program that controls the execution of application programs An interface between applications and hardware 2 Operating System Objectives Convenience Efficiency Ability to evolve 3 Layers and Views 4 Services Provided by the OS Program development Editors and debuggers Program execution Access I/O devices 5 Services Provided by the OS Controlled access to files System access 6 Services Provided by the OS Error detection and response Internal and external hardware errors Software errors Operating system cannot grant request of application 7 Services Provided by the OS Accounting Collect usage statistics Monitor performance Used to anticipate future enhancements Used for billing purposes 8 Operating System Responsible for managing resources Functions same way as ordinary computer .

• Hệ điều hành
• Operating systems
• Lecture Operating systems
• Embedded systems
• Modern operating systems
• Evolution of operating systems
• Memory protection
• Multiprocessor operating systems
• Structure of operating systems
• Distributed operating systems
• Memory management
• Lecture Advanced Operating Systems
• Advanced Operating Systems
• Bài giảng Hệ điều hành nâng cao
• Server operating systems
• PC operating systems
• Main frame operating systems
• Real time operating systems
• File systems
• Hệ điều hành
• Distributed systems
• Network operating systems
• Resource management
• User programs
• Computing environments
• Monolithic structure
• Implementing processes
• Process synchronization
• Scheduling policies
• Deadlock detection
• Handling deadlocks
• Message passing
• Implementing message passing
• Virtual memory
• Virtual memory manager
• File operations
• Distributed control algorithms
• Election algorithms
• Distributed system security
• Message security
• Characteristics of real time operating systems
• Real time scheduling
• Networking essentials plus
• Lecture Networking essentials plus
• Novell operating systems
• Microsoft network operating systems
• Operating system
• Operating system concept
• Operating systems design
• Operating systems capabilities
• Network operating system
• Bài giảng Hệ điều hành
• Operating system structures
• Operating system design
• Operating system services
• Disk scheduling
• file management
• Embedded operating systems
• Virtual machines
• Operating system securit
• Cloud and IoT operating systems
• Internalsand design principles
• Computer system
• Operating system objectives