CS2411 OPERATING SYSTEMS
AIM: To learn the various aspects of operating systems such as process management,
memory management, file systems, and I/O management
UNIT I PROCESSES AND THREADS 9
Introduction to operating systems – review of computer organization – operating system
structures – system calls – system programs – system structure – virtual machines.
Processes: Process concept – Process scheduling – Operations on processes –
Cooperating processes – Interprocess communication – Communication in client-server
systems. Case study: IPC in Linux. Threads: Multi-threading models – Threading issues.
Case Study: Pthreads library
UNIT II PROCESS SCHEDULING AND SYNCHRONIZATION 10
CPU Scheduling: Scheduling criteria – Scheduling algorithms – Multiple-processor
scheduling – Real time scheduling – Algorithm Evaluation. Case study: Process
scheduling in Linux. Process Synchronization: The critical-section problem –
Synchronization hardware – Semaphores – Classic problems of synchronization –
critical regions – Monitors. Deadlock: System model – Deadlock characterization –
Methods for handling deadlocks – Deadlock prevention – Deadlock avoidance –
Deadlock detection – Recovery from deadlock.
UNIT III STORAGE MANAGEMENT 9
Memory Management: Background – Swapping – Contiguous memory allocation –
Paging – Segmentation – Segmentation with paging. Virtual Memory:Background –
Demand paging – Process creation – Page replacement –Allocation of frames –
Thrashing. Case Study: Memory management in Linux
UNIT IV FILE SYSTEMS 9
File-System Interface: File concept – Access methods – Directory structure –Filesystem
mounting – Protection. File-System Implementation : Directory implementation
– Allocation methods – Free-space management – efficiency and performance –
recovery – log-structured file systems. Case studies: File system in Linux – file
system in Windows XP
UNIT V I/O SYSTEMS 8
I/O Systems – I/O Hardware – Application I/O interface – kernel I/O subsystem –
streams – performance. Mass-Storage Structure: Disk scheduling – Disk management –
Swap-space management – RAID – disk attachment – stable storage – tertiary storage.
Case study: I/O in Linux
TOTAL : 45 PERIODS
TEXT BOOKS
1. Silberschatz, Galvin, and Gagne, “Operating System Concepts”, Sixth Edition, Wiley
India Pvt Ltd, 2003.
2. D. M. Dhamdhere, “Operating Systems: A concepts based approach”, Second
Edition, Tata McGraw-Hill Publishing Company Ltd., 2006.
REFERENCES
1. Andrew S. Tanenbaum, “Modern Operating Systems”, Second Edition, Pearson
Education/PHI, 2001.
2. Harvey M. Deital, “Operating Systems”, Third Edition, Pearson Education, 2004.
AIM: To learn the various aspects of operating systems such as process management,
memory management, file systems, and I/O management
UNIT I PROCESSES AND THREADS 9
Introduction to operating systems – review of computer organization – operating system
structures – system calls – system programs – system structure – virtual machines.
Processes: Process concept – Process scheduling – Operations on processes –
Cooperating processes – Interprocess communication – Communication in client-server
systems. Case study: IPC in Linux. Threads: Multi-threading models – Threading issues.
Case Study: Pthreads library
UNIT II PROCESS SCHEDULING AND SYNCHRONIZATION 10
CPU Scheduling: Scheduling criteria – Scheduling algorithms – Multiple-processor
scheduling – Real time scheduling – Algorithm Evaluation. Case study: Process
scheduling in Linux. Process Synchronization: The critical-section problem –
Synchronization hardware – Semaphores – Classic problems of synchronization –
critical regions – Monitors. Deadlock: System model – Deadlock characterization –
Methods for handling deadlocks – Deadlock prevention – Deadlock avoidance –
Deadlock detection – Recovery from deadlock.
UNIT III STORAGE MANAGEMENT 9
Memory Management: Background – Swapping – Contiguous memory allocation –
Paging – Segmentation – Segmentation with paging. Virtual Memory:Background –
Demand paging – Process creation – Page replacement –Allocation of frames –
Thrashing. Case Study: Memory management in Linux
UNIT IV FILE SYSTEMS 9
File-System Interface: File concept – Access methods – Directory structure –Filesystem
mounting – Protection. File-System Implementation : Directory implementation
– Allocation methods – Free-space management – efficiency and performance –
recovery – log-structured file systems. Case studies: File system in Linux – file
system in Windows XP
UNIT V I/O SYSTEMS 8
I/O Systems – I/O Hardware – Application I/O interface – kernel I/O subsystem –
streams – performance. Mass-Storage Structure: Disk scheduling – Disk management –
Swap-space management – RAID – disk attachment – stable storage – tertiary storage.
Case study: I/O in Linux
TOTAL : 45 PERIODS
TEXT BOOKS
1. Silberschatz, Galvin, and Gagne, “Operating System Concepts”, Sixth Edition, Wiley
India Pvt Ltd, 2003.
2. D. M. Dhamdhere, “Operating Systems: A concepts based approach”, Second
Edition, Tata McGraw-Hill Publishing Company Ltd., 2006.
REFERENCES
1. Andrew S. Tanenbaum, “Modern Operating Systems”, Second Edition, Pearson
Education/PHI, 2001.
2. Harvey M. Deital, “Operating Systems”, Third Edition, Pearson Education, 2004.
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