TAILIEUCHUNG - Lecture Operating system concepts - Lecture 23

After studying this chapter, you should be able to: Summarize key categories of I/O devices on computers, discuss the organization of the I/O function, explain some of the key issues in the design of OS support for I/O, analyze the performance implications of various I/O buffering alternatives,. | CSC 322 Operating Systems Concepts Lecture - 25: by Ahmed Mumtaz Mustehsan Special Thanks To: Tanenbaum, Modern Operating Systems 3 e, (c) 2008 Prentice-Hall, Inc. (Chapter-4) Silberschatz, Galvin and Gagne 2002, Operating System Concepts, Ahmed Mumtaz Mustehsan, GM-IT, CIIT, Islamabad 1 Chapter 5 Input/ Output Principals of I/O Software Hardware Disk Lecture-24 2 Ahmed Mumtaz Mustehsan, GM-IT, CIIT, Islamabad Logical positioning of device drivers. In reality all communication between drivers and device controllers goes over the bus. Device Drivers Lecture-24 3 Ahmed Mumtaz Mustehsan, GM-IT, CIIT, Islamabad Device Drivers-Act 1 Driver contains code specific to the device Supplied by manufacturer Installed in the kernel (Rebuild binaries, or Plug n play, run in user space) User space might be better place Why? Bad driver can mess up kernel Need interface to OS block and character interfaces procedures which OS can call to invoke driver (. read a block) Ahmed Mumtaz Mustehsan, .

• Hệ điều hành
• Operating system
• Operating system concept
• Memory management
• File systems
• Operating systems design
• Operating system structure
• Operating system concepts
• Lecture Operating system concepts
• Operating system services
• Operating system structures
• Operating system design
• Hệ điều hành
• Computer system organization
• Operating System Debugging
• Operating System Generation
• Types of System Calls
• Lecture Operating system principles
• Computer system
• Modern operating systems
• Evolution of operating systems
• Computer system structures
• File system interface
• File system implementation
• Computer system architecture
• The Linux system