OPERATING SYSTEMS
Subject Code: 10CS53
I.A. Marks : 25
Hours/Week : 04
Exam Hours: 03
Total Hours : 52
Exam Marks: 100
PART – A
UNIT – 1 6 Hours
Introduction to Operating Systems, System structures: What operating
systems do; Computer System organization; Computer System architecture;
Operating System structure; Operating System operations; Process
management; Memory management; Storage management; Protection and
security; Distributed system; Special-purpose systems; Computing
environments.Operating System Services; User - Operating System interface;
System calls; Types of system calls; System programs; Operating System
design and implementation; Operating System structure; Virtual machines;
Operating System generation; System boot.
UNIT – 2 7 Hours
Process Management: Process concept; Process scheduling; Operations on
processes; Inter-process communication. Multi-Threaded Programming:
Overview; Multithreading models; Thread Libraries; Threading issues.
Process Scheduling: Basic concepts; Scheduling criteria; Scheduling
algorithms; Multiple-Processor scheduling; Thread scheduling.
UNIT – 3 7 Hours
Process Synchronization : Synchronization: The Critical section problem;
Peterson’s solution; Synchronization hardware; Semaphores; Classical
problems of synchronization; Monitors.
UNIT – 4 6 Hours
Deadlocks: Deadlocks: System model; Deadlock characterization; Methods
for handling deadlocks; Deadlock prevention; Deadlock avoidance; Deadlock
detection and recovery from deadlock.
PART – B
UNIT – 5 7 Hours
Memory Management: Memory Management Strategies: Background;
Swapping; Contiguous memory allocation; Paging; Structure of page table;
Segmentation. Virtual Memory Management: Background; Demand paging;
Copy-on-write; Page replacement; Allocation of frames; Thrashing.
UNIT – 6 7 Hours
File System, Implementation of File System: File System: File concept;
Access methods; Directory structure; File system mounting; File sharing;
Protection. Implementing File System: File system structure; File system
implementation; Directory implementation; Allocation methods; Free space
management
UNIT – 7 6 Hours
Secondary Storage Structures, Protection : Mass storage structures; Disk
structure; Disk attachment; Disk scheduling; Disk management; Swap space
management. Protection: Goals of protection, Principles of protection,
Domain of protection, Access matrix, Implementation of access matrix,
Access control, Revocation of access rights, Capability-Based systems.
UNIT – 8 6 Hours
Case Study: The Linux Operating System: Linux history; Design
principles; Kernel modules; Process management; Scheduling; Memory
management; File systems, Input and output; Inter-process communication.
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