Sr. No.

Content

Total 
Weightage 

Introduction:

Computer system overview, Architecture, Goals & Structures of
O.S, Basic functions, Interaction of O.S. & hardware architecture, System calls,

Batch, multiprogramming. Multitasking, time sharing, parallel, distributed & real-
time O.S.

Process and Threads Management:

Process Concept, Process states, Process
control, Threads, Uni-processor Scheduling: Types of scheduling: Preemptive,
Non preemptive, Scheduling algorithms: FCFS, SJF, RR, Priority, Thread
Scheduling, Real Time Scheduling. System calls like ps, fork, join, exec family,
wait.

Concurrency:

Principles of Concurrency, Mutual Exclusion: S/W approaches,
H/W Support, Semaphores, Pipes, Message Passing, Signals, Monitors.

Inter Process Communication:

Race Conditions, Critical Section, Mutual Exclusion, Hardware Solution, Strict
Alternation, Peterson’s Solution, The Producer Consumer Problem, Semaphores,
Event Counters, Monitors, Message Passing, Classical IPC Problems: Reader’s &
Writer Problem, Dinning Philosopher Problem etc., Scheduling, Scheduling
Algorithms.

Deadlock:

Principles of Deadlock, Starvation, Deadlock Prevention, Deadlock
Avoidance, Deadlock Detection, System calls.

Memory Management:

Memory Management requirements, Memory partitioning: Fixed and Variable
Partitioning, Memory Allocation: Allocation Strategies (First Fit, Best Fit, and
Worst Fit), Swapping, Paging and Fragmentation. Demand Paging, Security
Issues.
Virtual Memory: Concepts, VM management, Page Replacement Policies
(FIFO, LRU, Optimal, Other Strategies), Thrashing.

I/O Management & Disk scheduling:

I/O Devices, Organization of I/O functions, Operating System Design issues, I/O
Buffering, Disk Scheduling (FCFS, SCAN, C-SCAN, SSTF), RAID, Disk Cache.

Security & Protection:

Security Environment, Design Principles Of Security, User Authentication,
Protection Mechanism : Protection Domain, Access Control List

Unix/Linux Operating System:

Development Of Unix/Linux, Role & Function Of Kernel, System Calls, Elementary
Linux command & Shell Programming, Directory Structure, System Administration
Case study: Linux, Windows Operating System

Virtualization Concepts:

Virtual machines; supporting multiple operating systems simultaneously on a single
hardware platform; running one operating system on top of another. True or pure
virtualization.