Foundation/GNU? What is Linux? Which parts of the Linux operating system did each provide? Who else has helped build and refine this operating system? GNU stands for "GNU’S Not Unix"‚ and it was designed to be a UNIX-like operating system developed by Richard Stallman. Linux is the name of operating system kernel developed by Linus Torvalds. GNU’s tools aside the Linux kernel make the operating system known as “Linux” aka “GNU/Linux”. Thousands of people helped refine the operating system online. Chapter
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STUDENT’S MANUAL TO ACCOMPANY OPERATING SYSTEM CONCEPTS SEVENTH EDITION ABRAHAM SILBERSCHATZ Yale University PETER BAER GALVIN Corporate Technologies GREG GAGNE Westminster College Preface This volume is a student’s manual for the Seventh Edition of Operating System Concepts‚ by Abraham Silberschatz‚ Peter Baer Galvin‚ and Greg Gagne. It consists of answers to the exercises in the parent text. Although we have tried to produce a student’s manual that will aid all of the users
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Operating System Security Abstract Information systems are now becoming the social infrastructure so it is necessary to improve the security level because of privacy and data theft. One of the important issues which have to concern in the security of cyberspace is the security of operating system. This paper helps us to know about the security of most commercial Operating system like UNIX and Microsoft windows which are widely using in whole world. Introduction Computer system from
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Operating System Security Security is the most important part of an operating system when it comes to keeping the system and its information safe. There are various aspects to the security piece in an operating system; which are protocols‚ kernel and encryption. The UNIX/LINIX‚ Apple and Windows Server 2008 all have protocol‚ kernel and encryption features. These features need to be enabled to the highest level in order to have the most security for each of these operating systems. Even
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Introduction to Operating Systems Paper To understand three operating systems‚ you must first know what an operating system is. An operating system is software that controls the computer. It manages hardware‚ run applications‚ provides’ an interface for uses‚ stores‚ retrieves files. Here are three operating systems DOS‚ Windows 2000‚ and Linux. DOS‚ which is a disk operating system was the first OS within IBM computers. DOS was the operating system utilized by early versions of Windows including
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Chapter 4: Threads Operating System Concepts – 8th Edition Silberschatz‚ Galvin and Gagne ©2009 Chapter 4: Threads Overview Multithreading Models Thread Libraries Threading Issues Operating System Examples Windows XP Threads Linux Threads Operating System Concepts – 8th Edition 4.2 Silberschatz‚ Galvin and Gagne ©2009 Objectives To introduce the notion of a thread — a fundamental unit of CPU utilization that forms
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Advait 1. If following equations? A) b) c) d) Aptitude Test TCS-1 Awareness Development Initiative is a root of which of the ‚ where b is a rational number‚ then 2. From the top of a tower of height 180 m the angles of depression of two objects on either sides of the tower are 30° and 45°. Find the distance between the two objects. a) b) c) d) 3. A amount of 20‚900 is taken as loan at 9% p.a.‚ compound interest. If it is to be repaid in 2 equal annual instalments‚ what is the value of
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A mobile operating system (mobile OS) is an OS built exclusively for a mobile device‚ such as a smartphone‚ personal digital assistant (PDA)‚ tablet or other embedded mobile OS. Popular mobile operating systems are Android‚ iOS and Windows Phone. A mobile OS is responsible for identifying and defining mobile device features and functions‚ including keypads‚ application synchronization‚ email and text messaging. Android OS is owned by Google and powered by the Linux kernel‚ it debuted in 2007.
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1. AIM: To write a C program to simulate the shortest job first algorithm with preemption. DESCRIPTION: For implementing SJF algorithm with preemption‚ we consider the arrival times of each process‚ the burst times of all the previously arrived processes. After the arrival of all the processes into the ready queue‚ the average waiting time and turn around time can be calculated by using the above algorithm. ALGORITHM: 1) start 2) read the no of processes to n 3) initialize i to 0 4) if
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computers: - Go to the System Monitor (to open this go to Applications‚ point to System Tools‚ then click Stem Monitor) o On the System tab you will see the Operating System and hardware summary. o Under the Processes tab‚ this will review the processes most active. To see the most active processes click on the % CPU button until the chevron points up o For graphs of the usage to the Resources tab. o The tab which will show you the free disk space available is on the File Systems tab. Customizing
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