Click below link to download Operating Systems Syllabus Notes Question papers Question Banks 2 marks with answers Part B Questions with answers download.ĬS8493 Notes 1 link download - Click hereĬS8493 Notes 2 link download - Click hereĬS8493 Question Bank download - click hereĬS8493 Two Marks with Answers download - click here* Linux System - Design Principles, Kernel Modules, Process Management, Scheduling, Memory Management, Input-Output Management, File System, Inter-process Communication Mobile OS - iOS and Android - Architecture and SDK Framework, Media Layer, Services Layer, Core OS Layer, File System. Mass Storage system – Overview of Mass Storage Structure, Disk Structure, Disk Scheduling and Management, swap space management File-System Interface - File concept, Access methods, Directory Structure, Directory organization, File system mounting, File Sharing and Protection File System Implementation- File System Structure, Directory implementation, Allocation Methods, Free Space Management, Efficiency and Performance, Recovery I/O Systems – I/O Hardware, Application I/O interface, Kernel I/O subsystem, Streams, Performance. Main Memory – Background, Swapping, Contiguous Memory Allocation, Paging, Segmentation, Segmentation with paging, 32 and 64 bit architecture Examples Virtual Memory – Background, Demand Paging, Page Replacement, Allocation, Thrashing Allocating Kernel Memory, OS Examples. Processes - Process Concept, Process Scheduling, Operations on Processes, Inter-process Communication CPU Scheduling - Scheduling criteria, Scheduling algorithms, Multiple-processor scheduling, Real time scheduling Threads- Overview, Multithreading models, Threading issues Process Synchronization - The critical-section problem, Synchronization hardware, Mutex locks, Semaphores, Classic problems of synchronization, Critical regions, Monitors Deadlock - System model, Deadlock characterization, Methods for handling deadlocks, Deadlock prevention, Deadlock avoidance, Deadlock detection, Recovery from deadlock.

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.

Computer System Overview-Basic Elements, Instruction Execution, Interrupts, Memory Hierarchy, Cache Memory, Direct Memory Access, Multiprocessor and Multicore Organization.

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