Unit 1: Introduction to Operating System Concept
Types of operating systems, operating systems concepts, operating systems services, Introduction to System call, System call types.
Unit 2: Process Management
Process concept, The process, Process State Diagram , Process control block, Process Scheduling- Scheduling Queues, Schedulers, Operations on Processes, Interprocess Communication, Threading Issues, Scheduling-Basic Concepts, Scheduling Criteria, Scheduling Algorithms.
Unit 3: Memory Management & Virtual Memory Management
Swapping, Contiguous Memory Allocation, Paging, structure of the Page Table, Segmentation Virtual Memory, Demand Paging, Page-Replacement Algorithms, Thrashing
Unit 4: Concurrency & Principles of deadlock
Process Synchronization, The Critical- Section Problem, Synchronization Hardware, Semaphores, Classic Problems of Synchronization, Monitors, Synchronization examples. System Model, Deadlock Characterization, Deadlock Prevention, Detection and Avoidance, Recovery form Deadlock
Unit 5: File system Interface , File System implementation & Mass-storage structure
The concept of a file, Access Methods, Directory structure, File system mounting, file sharing, protection. File system structure, allocation methods, free-space management Mass-storage structure overview of Mass-storage structure, Disk scheduling, Device drivers
Unit 6: Linux System & Android Software Platform
Components of LINUX, Interprocess Communication, Synchronisation, Interrupt, Exception and System Call. Android Software Platform: Android Architecture, Operating System Services, Android Runtime Application Development, Application Structure, Application Process management
OS QB Units 1,2,3------>>>Link
OS QB Units 4,5,6------>>>Link
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