BCS405>>Operating System<<Mr. P.Balamumar
Syllabus
UNIT-I
INTRODUCTION
What operating system do? – Computer system organization – Computer system
architecture – Single processor systems – Multiple processor systems – Clustered
Systems – Operating system structure – Operating System operations – Special
purposes systems-Real time embedded systems – Multimedia systems and
handheld systems – Operating system services-System calls – System programs –
Virtual machines – Operating system design and implementation.
UNIT-II
PROCESS MANAGEMENT
Process concept – Process scheduling – Operation on process – Cooperating
process and inter – Process communication.
Threads: Overview – Multithreading models.
Process synchronization: The Critical section problem – Synchronization hardware
– Semaphores – Classical problems of synchronization.
Deadlocks: System model – Deadlock characterization – Methods for handling
deadlocks – Deadlock prevention – Deadlock avoidance – Deadlock detection –
Recovery from deadlock.
UNIT-III
CPU SHEDULING
Basic concepts – Scheduling criteria – Scheduling algorithms. Memory
management: Background – Swapping – Contaguous memory allocation – Paging
– Segmentation – Segmentation with paging. Virtual memory: Demand paging –
Page Replacement – Thrashing – Allocation of frames.
UNIT-IV
FILE SYSTEMS
File concepts – Access methods – Directory structure – File system – Mounting –
File sharing – Protection. File system structure – File system implementation –
Allocation methods – Free space management – Directory implementation –
Recovery.
UNIT-V
SECONDARY STORAGE MANAGEMENT
Disk structure – Disk scheduling – Disk management – Swap space management.
Case study: Linux system – Components of linux systems – Process management –
Process scheduling – Security.
TEXT BOOKS:
1. Silberschatz, Galvin, Gagne, “Operating System Concepts”, 7th edition, John
Wiley & Sons, Inc., 2006.
REFERENCE BOOKS:
1. D.M.Dhamdhere, “Operating Systems: A concept-Based approach:, 2nd
edition, Tata McGraw Hill,2006.
2. Charles Crowley, “Operating Systems: A Design oriented approach”, Tata
McGraw Hill, 199.
3. Andrew S. Tanenbaum, “Modern Operating Systems”, Pearson Education,
3rd Edition.
4. William Stallings, “Operating Systems”, Pearson Education, 6th edition.
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