OPERATING SYSTEM_2

OPERATING SYSTEM_2

1. Introduction To OS

   • OS Structure
     • Monolithic
     • Layered
     • Microkernel
     • Networked/Distributed
   • Architecture Of OS
     • Single Processor
     • Multiprocessor
     • Clustered
   • Concepts In OS
     • Multitasking
     • Multiprogramming
     • Time Sharing
     • Buffering
     • Spooling
     • Caching
   • Components Of OS
     • Kernel
       • Core Software
     • Shell
     • File System
   • Interfaces in OS
     • Command Line
     • Voice actuated
     • GUI
     • Web Form

2. Memory and Process management

   • Memory Management Stratergy
     • Fetch
       • Demand
       • Anticipatary
     • Placement
       • Best fit
       • First fit
       • Worst fit
     • Replacement
   • Resident VS Transient Routines
   • Virtual Memory Works
     • Segmentation
       • Base and Limit
     • Paging
   • Process State
     • New
     • Ready
     • Waiting
     • Running
     • Terminated
   • CPU Scheduler
     • Short Term
     • Mid Term
     • Long Term
   • Preemptive and Non Preemptive
     • Scheduling ALgorithm
       • FIFO
       • Round Robin
       • Shoretest Job First
       • Priority
       • Multilevel Queue
       • Multilevel Feedback Queue
   • Deadlock
     • Mutual Exclusion
     • Hold and Wait
     • No preemption
     • Circular Wait

3. File Management

   • File access techniques
     • Sequential
     • Direct
     • Indexed
   • Directory Structered
     • STorage structered
     • Directory structered
     • Single level directory
     • Two level directory
   • Method of File Allocation
     • Contiguous file allocation
     • Linked file allocation
     • Indexed file allocation
   • Free Space Management
     • Using bitmaps
     • Using linked list
   • Access Control List
     • Access COntrol List
     • Capability List
   • Techniques to prevent data loss
     • Physical Backup
     • Logical backup