CS1253 – OPERATING SYSTEMS

ANNA UNIVERSITY TIRUCHIRAPPALLI Regulations 2007 Syllabus

CS1253 – OPERATING SYSTEMS
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UNIT I FUNDAMENTALS 9
Concepts – Mainframe Systems – Desktop Systems – Multiprocessor Systems – Distributed Systems –
Clustered Systems – Real Time Systems – Handheld Systems – Hardware Protection – System
Components – Operating System Services – System Calls – System Programs.

UNIT II PROCESS MANAGEMENT 9
Process Concept – Process Scheduling – Operations On Processes – Cooperating Processes – Inter
Process Communication – Threads – Overview – Threading Issues – Cpu Scheduling – Basic Concepts
– Scheduling Criteria – Scheduling Algorithms – Multiple Processor Scheduling – Real Time
Scheduling – The Critical Section Problem – Synchronization Hardware – Semaphores – Classic
Problems Of Synchronization – Critical Regions – Monitors.

UNIT III DEADLOCKS 9
System Model – Deadlock Characterization – Methods for Handling Deadlocks –Deadlock Prevention
– Deadlock Avoidance – Deadlock Detection – Recovery from Deadlocks.

UNIT IV MEMORY AND FILE MANAGEMENT 9
Storage Management – Swapping – Contiguous Memory Allocation – Paging – Segmentation –
Segmentation with Paging – Virtual Memory – Demand Paging – Process Creation – Page
Replacement – Allocation of Frames – Thrashing – File Concept – Access Methods – Directory
Structure – File System Mounting – File Sharing – Protection

UNIT V FILE AND I/O SYSTEMS 9
File System Structure – File System Implementation – Directory Implementation – Allocation Methods
– Free – Space Management. Kernel I/O Subsystems – Disk Structure – Disk Scheduling – Disk
Management – Swap-Space Management. Case Study: The Linux System – Windows


L: 45 T: 15 Total: 60
TEXT BOOK
1. Abraham Silberschatz, Peter Baer Galvin and Greg Gagne, “Operating System Concepts”, John
Wiley and Sons, Sixth Edition, 2003.

REFERENCES
1. Harvey M. Deitel, “Operating Systems”, Second Edition, Pearson Education, 2002.
2. Andrew S. Tanenbaum, “Modern Operating Systems”, Prentice Hall of India, 2003.
3. William Stallings, “Operating System”, Fourth Edition, Prentice Hall of India, 2003.

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