CS2411 OPERATING SYSTEMS Syllabus - Anna University - Regulation 2008


CS2411 OPERATING SYSTEMS L T P C
3 0 0 3
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: Multithreading
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
80
UNIT IV FILE SYSTEMS 9
File-System Interface: File concept – Access methods – Directory structure –File-system mounting –
Protection. File-System Implementation : Directory implementation – Allocation methods – Freespace
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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