CMS-A-CC-3-7-TH: Operating Systems Core Course- 7: Theory, Credit: 04, Contact hours: 60.

 Introduction

Basic OS functions, types of operating systems- batch processing, multiprogramming, time

sharing, multiprocessing, distributed and real time systems.

6 hours

Operating System Organization

Processor and user modes, kernels, system calls and system programs.

6 hours

Process

System view of the process and resources, process control block, I/O and CPU bound

process, process hierarchy, concept of threads

Process Scheduling: Preemptive and non-preemptive scheduling, Long term scheduling,

short term/CPU scheduling (FCFS, SJF, SRJF, RR and priority) and medium term

scheduling

Process Synchronization: Concurrent processes, critical section, semaphores and

application, methods for inter-process communication;

18 hours

Deadlock:

Definition, Prevention, Avoidance, Detection, Recovery.

9 hours

Memory Management

Physical and logical address space; memory allocation strategies – fixed and variable

partitions, paging, segmentation, virtual memory

14 hours

File and I/O Management

Directory structure, file operations, file allocation methods, disk management.

5 hours

Protection and Security

Policy mechanism, Authentication