Operating System Concepts - Chapter 21: The Linux System pot

... Chapter 21: The Linux System Chapter 21: The Linux System 21.15 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 6, 2005 Module ... 7 th Edition, Feb 6, 2005 The Linux System The Linux System  Linux uses many tools developed as part of Berkeley’s BSD operating system, MIT’s X Window System, and the Free Software...

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... with the exec system call 2. Upon creation of a new process by the fork system call Chapter 21: The Linux System Chapter 21: The Linux System 21.23 Silberschatz, Galvin and Gagne ©2005 Operating ... ©2005 Operating System Concepts – 7 th Edition, Feb 6, 2005 The Linux System The Linux System  Linux uses many tools developed as part of Berke...

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... 12, 2005 Chapter 1: Introduction Chapter 1: Introduction  What Operating Systems Do  Computer -System Organization  Computer -System Architecture  Operating- System Structure  Operating- System ... manner. 1.11 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 12, 2005 Computer Computer - - System Operation System Operation ...

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... of Chapter 2 End of Chapter 2 2.4 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 14, 2005 Operating System Services Operating System Services  One set of operating- system ... execution 2.8 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 14, 2005 User Operating System Interface User Operat...

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... ©2005 Operating System Concepts - 7 th Edition, Feb 7, 2006 Context Switch Context Switch  When CPU switches to another process, the system must save the state of the old process and load the ... no practical limit on the size of the buffer z bounded-buffer assumes that there is a fixed buffer size 3.14 Silberschatz, Galvin and Gagne ©2005 Operating System Conce...

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... of Chapter 4 End of Chapter 4 Chapter 4: Threads Chapter 4: Threads 4.12 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th edition, Jan 23, 2005 Many Many - - to to - - Many ... System Concepts – 7 th edition, Jan 23, 2005 Multithreading Models Multithreading Models  Many-to-One  One-to-One  Many-to-Many 4.25 Silberschatz, Galvin and Gagne...

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... With the Same Priority 5.50 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 2, 2005 Time Time - - Slicing Slicing Since the JVM Doesn’t Ensure Time-Slicing, the ... and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 2, 2005 Shortest Shortest - - Job Job - - First (SJF) Scheduling First (SJF) Scheduling  Associ...

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... Implementation  The operation x.signal can be implemented as: if (x-count > 0) { next-count++; signal(x-sem); wait(next); next-count ; } 6.8 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts ... have: semaphore x-sem; // (initially = 0) int x-count = 0;  The operation x.wait can be implemented as: x-count++; if (next-count > 0) signal(next); else signal(mutex);...

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... all i, then the system is in a safe state. 7.33 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts - 7 th Edition, Feb 14, 2005 Deadlock Detection Deadlock Detection  Allow system ... 2005 Resource Resource - - Allocation Graph and Wait Allocation Graph and Wait - - for Graph for Graph Resource-Allocation Graph Corresponding wait-for graph Chapter 7...

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... Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 22, 2005 Paging Example Paging Example 32-byte memory and 4-byte pages 8.18 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts ... Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 22, 2005 Address Address - - Translation Scheme Translation Scheme 8.31 Silberschatz, Galvin and Gagne ©2005 Op...

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