Operating Systems

Paper Code: 
MCA 224
Credits: 
04
Periods/week: 
04
Max. Marks: 
100.00
Objective: 
  • To be aware of the evolution and fundamental principles of operating system, processes and their communication
  • To understand the various operating system components like process management, memory management and
  • To know about file concurrency control concepts in operating systems
  • To be aware of authentication process and security.
12.00
Unit I: 
UNIT I

Fundamentals of Operating System: Definition and types of operating systems, Batch Systems, multi programming, time–sharing parallel, distributed and real-time systems, Operating system structure, Operating system components and services, System calls, system programs, Virtual machines.

12.00
Unit II: 
UNIT II

Process and Thread Management: Process concept, Process scheduling, Cooperating processes, Threads, Inter-process communication, CPU scheduling criteria, Scheduling algorithms, Multiple-processor scheduling, Real-time scheduling and Algorithm evaluation.

12.00
Unit III: 
UNIT III

Concurrency Control: The Critical-Section problem, synchronization hardware, Semaphores, Classical problems of synchronization, Critical regions, Monitors, Dining philosopher and producer consumer problem using semaphores or monitors. Deadlocks-System model, Characterization, Deadlock prevention, Avoidance and Detection, Banker’s Algorithm.

12.00
Unit IV: 
UNIT IV

Memory Management: Swapping, Contiguous Allocation, Paging, Segmentation with  paging virtual Memory, Demand paging  and its performance, Page replacement algorithms, Allocation of frames, Thrashing, Page Size and other considerations, Demand segmentation, File systems, secondary Storage Structure, File concept, access methods, directory implementation, Efficiency and performance, recovery, Disk structure, Disk scheduling methods, Disk management, Recovery, Disk structure, Disk scheduling methods, Disk management, Swap-Space management, Disk reliability.

12.00
Unit V: 
UNIT V

Protection and Security-Goals of protection, Domain of protection, Access matrix, Implementation of access Matrix, Revocation of Access Rights, language based protection, The Security problem, Authentication, One Time passwords, Program threats, System threats, Threat Monitoring, Encryption.

ESSENTIAL READINGS: 
  • Silberschatz and Galvin, “Operating System Concepts”, 7th edition, Wiley India, 2000.
  • Andrew S. Tanenbaum, Albert S. Woodhull, “Operating Systems Design & implementation”, 3rd edition, Pearson Education, 2006.
REFERENCES: 
  • William Stallings, “Operating Systems Internals and Design Principles”, 5th edition, Prentice Hall, 2000.
  • Achyut S. Godbole, Atul Kahate, “Operating Systems”, 3rd edition, Tata McGraw Hill, 2010.
Academic Year: 
2017-18
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