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Operating system concepts


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Lecture Operating system concepts: Chapter 19

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and Gagne ©2009 Operating System Concepts – 8th Edition. 19.18 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 19.19 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 19.20 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 19.21 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition.

Lecture Operating system concepts: Chapter 12

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RAID within a storage array can still fail if the array fails, so automatic replication of the data between arrays is common. 12.34 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 12.36 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 12.38 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 12.40 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition.

Lecture Operating system concepts: Chapter 9

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Operating System Concepts Essentials – 8th Edition Silberschatz, Galvin and Gagne ©2011. Operating System Concepts Essentials – 8th Edition. 9.2 Silberschatz, Galvin and Gagne ©2011 Operating System Concepts Essentials – 8th Edition.

Lecture Operating system concepts: Chapter 5

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Operating System Concepts – 8th Edition. 5.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 5.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 5.4 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 5.5 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 5.6 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 5.7 Silberschatz, Galvin and Gagne ©2009 Operating

Lecture Operating system concepts: Chapter 3

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Operating System Concepts – 8th Edition Silberschatz, Galvin and Gagne ©2009. Operating System Concepts – 8th Edition. 3.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 3.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 3.4 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. An operating system executes a variety of programs:.

Lecture Operating system concepts: Chapter 4

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Operating System Concepts – 8th Edition Silberschatz, Galvin and Gagne ©2009. Operating System Concepts – 8th Edition. 4.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition.

Lecture Operating system concepts: Chapter 7

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Operating System Concepts – 8th Edition. 7.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 7.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 7.4 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 7.5 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 7.6 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 7.7 Silberschatz, Galvin and Gagne ©2009 Operating

Lecture Operating system concepts: Chapter 11

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Operating System Concepts – 8th Edition Silberschatz, Galvin and Gagne ©2009. Operating System Concepts– 8th Edition. Chapter 11: File System Implementation. 11.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. File-System Structure. File-System Implementation. Example: WAFL File System. 11.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 11.4 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition.

Lecture Operating system concepts: Chapter 13

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Operating System Concepts – 8th Edition Silberschatz, Galvin and Gagne ©2009. Operating System Concepts – 8th Edition. 13.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 13.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. Explore the structure of an operating system’s I/O subsystem. 13.4 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition.

Lecture Operating system concepts: Chapter 21

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Operating System Concepts – 8th Edition Silberschatz, Galvin and Gagne ©2009. Operating System Concepts – 8th Edition. 21.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 21.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. To explore the history of the UNIX operating system from which Linux is derived and the principles which Linux is designed upon. 21.4 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition.

Lecture Operating system concepts: Chapter 20

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Operating System Concepts – 8th Edition Silberschatz, Galvin and Gagne ©2009. Operating System Concepts – 8th Edition. 20.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 20.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition.

Lecture Operating system concepts: Chapter 16

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Operating System Concepts – 8th Edition Silberschatz, Galvin and Gagne ©2009. Operating System Concepts – 8th Edition. 16.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. 16.5 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. Distributed Operating Systems. 16.7 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. Distributed-Operating Systems.

Lecture Operating system concepts: Chapter 14

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Operating System Concepts – 8th Edition Silberschatz, Galvin and Gagne ©2009. Operating System Concepts– 8th Edition. Access Matrix. Implementation of Access Matrix. Revocation of Access Rights. 14.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8th Edition. Explain how protection domains combined with an access matrix are used to specify the resources a process may access.

Lecture Operating system concepts: Chapter 1

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Computer-System Organization. Computer-System Architecture. Operating-System Structure. Operating-System Operations. To provide coverage of basic computer system organization. What is an Operating System?. Operating system goals:. Make the computer system convenient to use. Computer System Structure. Computer system can be divided into four components:. Operating system. Four Components of a Computer System. Operating System Definition. Operating System Definition (Cont.).

Lecture Operating system concepts: Chapter 2

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Chapter 2: Operating-System Structures. Operating System Services. User Operating System Interface. System Calls. Types of System Calls. Operating System Design and Implementation. Operating System Structure. Operating System Debugging. Operating System Generation. To describe the services an operating system provides to users, processes, and other systems. To discuss the various ways of structuring an operating system.

Lecture Operating system concepts: Chapter 22

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File system. To explore the principles upon which Windows XP is designed and the specific components involved in the system. To understand how Windows XP can run programs designed for other operating systems. To provide a detailed explanation of the Windows XP file system. To illustrate the networking protocols supported in Windows XP. Windows XP. On top of the executive, several server subsystems operate in user mode.

File System Implementation

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Silberschatz, Galvin and Gagne ©2002 Operating System Concepts 12.5. In-Memory File System Structures. The following figure illustrates the necessary file system structures provided by the operating systems.. Silberschatz, Galvin and Gagne ©2002 Operating System Concepts 12.6. Silberschatz, Galvin and Gagne ©2002 12.7. Virtual File Systems. Virtual File Systems (VFS) provide an object-oriented way of implementing file systems..

Lecture Operating system concepts: Chapter 10

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Disk or partition can be used raw – without a file system, or formatted with a file system. Entity containing file system known as a volume. Each volume containing file system also tracks that file system’s info in device directory or volume table of contents. A Typical File-system Organization. Traverse the file system. File System Mounting. A file system must be mounted before it can be accessed. A unmounted file system (i.e., Fig.

Lecture Operating system concepts: Chapter 18

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The system consists of n processes. each process Pi resides at a different processor. Each process has a critical section that requires mutual exclusion. If Pi is executing in its critical section, then no other process Pj is executing in its critical section. We present two algorithms to ensure the mutual exclusion execution of processes in their critical sections. One of the processes in the system is chosen to coordinate the entry to the critical section.

Lecture Operating system concepts: Chapter 17

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Distributed file system (DFS. Multilevel mapping – abstraction of a file that hides the details of how and where on the disk the file is actually stored. A transparent DFS hides the location where in the network the file is stored. For a file being replicated in several sites, the mapping returns a set of the locations of this file’s replicas. Location transparency – file name does not reveal the file’s physical storage location.