CS6401 OPERATING SYSTEMS syllabus-subject-notes-pevious-year-questions-papers-bank

CS6401 OPERATING SYSTEMS syllabus-subject-notes-pevious-year-questions-papers-bank

OBJECTIVES:
The student should be made to:
 Study the basic concepts and functions of operating systems.
 Understand the structure and functions of OS.
 Learn about Processes, Threads and Scheduling algorithms.
 Understand the principles of concurrency and Deadlocks.
 Learn various memory management schemes.
 Study I/O management and File systems.
 Learn the basics of Linux system and perform administrative tasks on Linux Servers.

UNIT I OPERATING SYSTEMS OVERVIEW 9
Computer System Overview-Basic Elements, Instruction Execution, Interrupts, Memory Hierarchy,
Cache Memory, Direct Memory Access, Multiprocessor and Multicore Organization. Operating system
overview-objectives and functions, Evolution of Operating System.- Computer System Organization-
Operating System Structure and Operations- System Calls, System Programs, OS Generation and
System Boot.

UNIT II PROCESS MANAGEMENT 9
Processes-Process Concept, Process Scheduling, Operations on Processes, Interprocess
Communication; Threads- Overview, Multicore Programming, Multithreading Models; Windows 7 -
Thread and SMP Management. Process Synchronization - Critical Section Problem, Mutex Locks,
Semophores, Monitors; CPU Scheduling and Deadlocks.

UNIT III STORAGE MANAGEMENT 9
Main Memory-Contiguous Memory Allocation, Segmentation, Paging, 32 and 64 bit architecture
Examples; Virtual Memory- Demand Paging, Page Replacement, Allocation, Thrashing; Allocating
Kernel Memory, OS Examples.

UNIT IV I/O SYSTEMS 9
Mass Storage Structure- Overview, Disk Scheduling and Management; File System Storage-File
Concepts, Directory and Disk Structure, Sharing and Protection; File System Implementation- File
System Structure, Directory Structure, Allocation Methods, Free Space Management, I/O Systems.

UNIT V CASE STUDY 9
Linux System- Basic Concepts;System Administration-Requirements for Linux System Administrator,
Setting up a LINUX Multifunction Server, Domain Name System, Setting Up Local Network Services;
Virtualization- Basic Concepts, Setting Up Xen,VMware on Linux Host and Adding Guest OS.

OUTCOMES:
At the end of the course, the student should be able to:
 Design various Scheduling algorithms.
 Apply the principles of concurrency.
 Design deadlock, prevention and avoidance algorithms.
 Compare and contrast various memory management schemes.
 Design and Implement a prototype file systems.
 Perform administrative tasks on Linux Servers.

TEXT BOOK:
1. Abraham Silberschatz, Peter Baer Galvin and Greg Gagne, “Operating System Concepts”, 9th
Edition, John Wiley and Sons Inc., 2012.
REFERENCES:
1. William Stallings, “Operating Systems – Internals and Design Principles”, 7th Edition, Prentice Hall,
2011.
2. Andrew S. Tanenbaum, “Modern Operating Systems”, Second Edition, Addison Wesley, 2001.
3. Charles Crowley, “Operating Systems: A Design-Oriented Approach”, Tata McGraw Hill
Education”, 1996.
4. D M Dhamdhere, “Operating Systems: A Concept-Based Approach”, Second Edition, Tata
McGraw-Hill Education, 2007.