TAILIEUCHUNG - Lecture Operating systems: A concept-based approach (2/e): Chapter 12 - Dhananjay M. Dhamdhere

Chapter 12 - Implementation of file operations. This chapter discusses the physical organization used in file systems. It starts with an overview of I/O devices and their characteristics, and discusses different RAID organizations that provide high reliability, fast access, and high data transfer rates. | PROPRIETARY MATERIAL. © 2007 The McGraw-Hill Companies, Inc. All rights reserved. No part of this PowerPoint slide may be displayed, reproduced or distributed in any form or by any means, without the prior written permission of the publisher, or used beyond the limited distribution to teachers and educators permitted by McGraw-Hill for their individual course preparation. If you are a student using this PowerPoint slide, you are using it without permission. Input Output Control System (IOCS) The IOCS consists of two layers that provide efficient file processing and efficient device performance Access Methods layer Each access method provides efficient processing of files with a specific file organization, ., sequential file organization and direct file organization Physical IOCS layer Performs I/O operations on devices Ensures efficient device performance Physical organizations in Access methods and Physical IOCS The physical IOCS reads data from disk into buffers or disk .

• Hệ điều hành
• Operating systems
• Lecture Operating systems
• Hệ điều hành
• File operations
• Input output control system
• Disk scheduling
• Multiprocessor operating systems
• Structure of operating systems
• Distributed operating systems
• Memory management
• Lecture Advanced Operating Systems
• Advanced Operating Systems
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• Server operating systems
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• Main frame operating systems
• Real time operating systems
• Embedded systems
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• Evolution of operating systems
• Memory protection
• File systems
• Distributed systems
• Network operating systems
• Resource management
• User programs
• Computing environments
• Monolithic structure
• Implementing processes
• Process synchronization
• Scheduling policies
• Deadlock detection
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• Message passing
• Implementing message passing
• Virtual memory
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• Distributed control algorithms
• Election algorithms
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• Characteristics of real time operating systems
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• Networking essentials plus
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• Novell operating systems
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• Operating system
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