Operating Systems

Paper Code: 
NET 152
Credits: 
04
Periods/week: 
04
Max. Marks: 
100.00
Objective: 

This course is focused on the study of basic concepts of Operating systems & its user interfaces.

12.00
Unit I: 

Introduction to operating System, its need and Operating system services, Definition, batch systems, Time sharing systems, Personal computer systems, Real time systems.

12.00
Unit II: 

Process Management: Process concept, Process scheduling, Definition of context switching. CPU Scheduling: Basic concepts, Scheduling criteria, Scheduling algorithms.

12.00
Unit III: 

Deadlocks: Deadlock characterization, Methods for handling deadlocks, Deadlock prevention, Deadlock avoidance, Deadlock detection and recovery. Memory Management: Logical versus Physical address space, Swapping, Contiguous allocation, Paging, Segmentation, Segmentation with paging.

12.00
Unit IV: 

Virtual Memory: Demand paging, Performance of demand paging, Page replacement, Page replacement algorithms, Thrashing.
File Management: File system Structure, Allocation methods: Contiguous allocation, Linked allocation, Indexed allocation.

12.00
Unit V: 

Device Management: Disk structure, Disk scheduling: FCFS, SSTF, SCAN, C-SCAN, LOOK, Selecting disk scheduling algorithm.
Introduction to Open Source Operating System: Case Study Unix/ Linux.

REFERENCES: 

1. Andrew S. Tanenbaum, “ Modern Operating Systems”, Addison Wesley. 2. Abraham Silberschatz, Peter B. Galvin, “ Operating System Concepts”, Addison-Wesley Publishing. Co., 4th. Ed., 1994. 3. Brinch Hansen, “Operating System Principles”, Prentice-Hall, 1984. 4. N. Haberman, “Introduction to Operating System Design”, Galgotia Publication, 1986. 5. Brich Hansen, “The Architecture of Concurrent Programs”, PHI, 1978. 6. Dhamdhere “System Programming & Operating Systems”, TMH.

Academic Year: 
2018-19
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