monumental computing development. DOS had been bought from a Seattle hacker by Bill Gates‚ for a sum of $50‚000 a small price for an operating system that had managed sneak its way across the globe due to a clever marketing strategy. Apple’s OS and UNIX were both available‚ though the cost of running either was far greater than that of running DOS. Enter MINIX‚ an operating system developed from the ground up by Andrew S. Tanenbaum‚ a college professor. MINIX was part of a lesson plan used to teach
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Question #01: Compare access control techniques between Linux and Windows. Which one provides better control and in which conditions? Ans: Access Control techniques in windows are as: Window contains of two types of ACLs Discretionary ACL and a System ACL. Windows files have an owner mean that the creator of the file. In window owner is not a group which they belong. An access right in window doesn’t give importance to owner. File in the window have two main categories either it require the explicit
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Importance of Memory Management in Operating Systems Leonardo Negron University of Phoenix Author Note “Computers are stupid. They can only do three things: add two numbers‚ compare two numbers and REMEMBER” –Philip Mumford‚ High School Computer teacher Abstract Computers have been around since the dawn of mankind in the form of our brains. In the past few hundred years we have been creating computers to help us handle our increasing demands for automation tasks. From simple computers that
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Memory: The difference between recall memory and recognition memory? Personally‚ I think that the majority of us can identify everyday occurrences‚ people we have met in the past‚ or other everyday aspects involving memory. However when we are required to remember precise details of an event that we would be extremely familiar with it becomes apparent that our memory is not as reliable as one may think‚ especially when under stress. According to Pozzulo‚ Bennel‚ and Forth (2013) when a law enforcement
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…………………………………Page 5 Memory Protection ………..……………………………….………....…Page 6 Virtual Memory …………..……………………………….…..…………Page 7 Technical and Commercial Success of Mac OS X ….…….……………Page 11 Conclusion ….…………………………………………….….……………Page 13 Bibliography…………………………………………………………….. Page 14 Introduction The Mac OS X Panther operation system has met with both technical and commercial success. Since the debut of Mac OS X in 2001‚ its features have continued to improve. The initial system Mac OS X 10.1 was
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code is a precondition for this You are free to (1)study it‚ (2)redistribute it‚ and (3) modify it. 2. Why is Linux popular? Why is it popular in academia? Bell Labs offered it to educational institutions at nominal cost. The schools‚ in turn‚ used it in their computer science programs‚ ensuring that computer science students became familiar with it. Because UNIX was such an advanced development system‚ the students became acclimated to a sophisticated programming environment. As
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Guide to UNIX Using Linux Fourth Edition Chapter 1 Solutions Answers to the Chapter 1 Review Questions 1. Your boss drops by your office in a hurry to ask you to attend a meeting at 10:30 on Friday morning and you can’t find a pen to make a note as a reminder. What Linux command can you use to make a quick note to store in a file called Meeting? Answer: b. cat > Meeting 2. Before you make the note in Question 1‚ you decide to determine Friday’s date‚ so that you can include
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Topic: Comparing the security of Windows 7 to a Linux based operating system General Purpose: To inform Specific Purpose: At the end of my speech‚ my audience will be able to differentiate the two operating systems security. Central Idea: Comparing the security of Windows 7 to a Linux based operating system Introduction: Good evening‚ I am here tonight to explain the very basic securities of two very different operating systems. Windows 7 has been out for a couple years now and has what some
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* Microsoft Windows * Microsoft Windows is the most commonly used operating system in personal computers and is installed‚ distributed‚ and sold by most successful businesses in the United States. A discussion of what makes Windows the best choice for an operating system for a personal computer is included here. This discussion will examine the points why Windows is a popular operating system and compare it to other operating systems. With discussion points of memory management‚ process management
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CIS 155 Unix Operating System Homework 2 Vi Editor Cursor Movement h j k l h j k l SAPACEBAR right +‚ - First character of next‚ previous Line forward word: w back word: b end of word: e start of line: ^‚0 end of line: $ start of file: gg‚:1<Enter>‚1G end of file: G go to line nn: :nn<Enter>‚nnG use ESC to switch between Input
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