Operating System 101

Operating System 101

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***** WAGmob: Over One million Paying Customers ***** WAGmob brings you, Simple 'n Easy, on-the-go learning ebook for qOperating System 101q. The ebook provides: Snack sized chapters for easy learning. Designed for both students and adults. This ebook provides a quick summary of essential concepts in Operating System 101 by following snack sized chapters: Operating System Overview: a€c What is an Operating System? a€c Operating System Services a€c Evolution of Operating System Process in Operating System: a€c Process Introduction a€c Process state a€c Process Control Block a€c Context Switch a€c Operations on Processes a€c Scheduling Queues Scheduling in Operating System: a€c What is Scheduling? a€c Schedulers a€c Criteria for CPU Scheduling Algorithm a€c Non-Preemptive Vs. Preemptive Scheduling a€c Types of Scheduling Algorithms Scheduling Algorithm I: a€c First Come First Serve a€c Shortest Job First a€c Shortest Remaining Time First a€c What is Priority? a€c Non-preemptive Priority Scheduling a€c Preemptive Priority Scheduling Scheduling Algorithm II: a€c Round Robin Scheduling a€c Multiprocessor Scheduling a€c Time Sharing Multiprocessor Scheduling a€c Space Sharing Scheduling a€c Gang Scheduling Threads in Operating System: a€c What is a Thread? a€c User level Thread a€c Kernel level threads a€c Differences and Similarities between Threads and Processes a€c Inter-process communication a€c Message-Passing System Process Synchronization I: a€c Process Synchronization a€c How process synchronization is achieved? a€c Critical Section Problem a€c Solution to Critical Section Problem a€c Two Process Solutions a€c Semaphore a€c Binary Semaphore a€c Classic Problems of Synchronization Process Synchronization II: a€c Bounded Buffer Producer-consumer Problem a€c The Readers- Writers Problem a€c The Dining-Philosophers Problem Deadlock in Operating System I: a€c Deadlock a€c Necessary Conditions a€c Resource-Allocation Graph a€c Methods for Handling Deadlocks a€c Deadlock Avoidance a€c Banker's Algorithm Deadlock in Operating System II: a€c Example of Bankers Algorithm a€c Deadlock Detection a€c Detection Algorithm a€c Example of Detection Algorithm a€c Recovery from Deadlock Memory Management I: a€c Memory Management a€c Physical and Logical address a€c Overlays a€c Swapping a€c Contiguous Memory Allocation a€c Memory Allocation Method Memory Management II: a€c Sample Problem on Memory Allocation a€c Paging a€c Segmentation a€c Comparison between Paging and Segmentation Virtual Memory and Page Replacement: a€c Virtual Memory a€c Demand Paging a€c Page Fault a€c Page Replacement Technique a€c FIFO a€c Optimal Page Replacement Algorithm a€c LRU Page Replacement a€c Thrashing File System: a€c File concept a€c File Attributes a€c File Operations a€c Common File Types a€c File Access Methods a€c File Allocation Methods Disk Scheduling: a€c Disk Scheduling a€c First Come-First Serve (FCFS) a€c Shortest Seek Time First (SSTF) a€c SCAN a€c C-SCAN a€c LOOK About WAGmob ebooks: 1) A companion ebook for on-the-go, bite-sized learning. 2) Offers value for money (a lifetime of free updates). 3) Over One million paying customers from 175+ countries. WAGmob Vision : Simple 'n easy ebooks for a lifetime of on-the-go learning Visit us : www.wagmob.com Please write to us at Team@WAGmob.com. We would love to improve this ebook.o Terminated: The process has finished execution. Process State Diagram Process Control Block Each process is represented in the operating system byaprocess control block (PCB)a€”also called a task control block. PCB includes: a€c Processanbsp;...


Title:Operating System 101
Author: WAGmob
Publisher:WAGmob - 2013-10-18
ISBN-13:

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