Running Head: Operating Systems - Linux Operating Systems - Linux Prepared by Jackie Riddick University of Phoenix November 18‚ 2007 Operating Systems - Linux Brief History. Linus Torvalds created the Linux operating system in 1991 while he was still a student at the University of Helsinki in Finland. He developed and released the Linux kernel under the GNU General Public License so that its source code would be free to all and others could modify it to meet their specific needs. The
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File Systems The file system provides the environment for working with files and folders. Windows uses FAT12‚ FAT16‚ FAT32 and/or NTFS with NTFS almost always being the best choice. Linux also has a number of its own native file systems. The default file system for Linux used to be ext2‚ now it is typically ext3. MS-DOS used to be and Microsoft Windows continues to be the most popular operating system for 80386‚ 80486‚ and Pentium PCs. Because Linux started on 80386/80486 PCs‚ a connection
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Components of an Operating System In order to perform the actions requested by the computer’s users‚ an operating system must be able to communicate with those users. The portion of an operating system that handles this communication is often called the user interface. Older user interfaces‚ called shells‚ communicated with users through textual messages using a keyboard and monitor screen. More modern systems perform this task by means of a graphical user interface (GUI) in which objects to be
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Top of Form Grading Summary These are the automatically computed results of your exam. Grades for essay questions‚ and comments from your instructor‚ are in the "Details" section below. Date Taken: 6/11/2012 Time Spent: 01 min ‚ 13 secs Points Received: 21 / 60 (35%) Question Type: # Of Questions: # Correct: Multiple Choice 13 9 Short 5 N/A Grade Details Page: 1 2 1. Question : (TCO 11) Define point estimate. Student Answer: Approximation of a single quantity or a single numerical
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Week 6 Contributions of Enterprise Systems IT/205 Enterprising systems are large-scale systems including application software packages that use data storage‚ data transmission powers of modern information technology to support business processes‚ data flow‚ reporting‚ and data analytics within and between organizations. Enterprising systems will have major impact on a business whether it fail or succeed systematically. Enterprising systems support an organization company-wide and not just a single
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modalities‚ read the policies governing your current class modality. Course Materials Schultz‚ K. M. (2012). HIST2‚ volume 2 (2nd ed.). Boston‚ MA: Wadsworth‚ Cengage Learning. All electronic materials are available on the student website. Week One: Reconstruction and the New South Details Due Points Objectives 1.1 Evaluate the outcomes of Reconstruction. 1.2 Summarize the economic‚ political‚ and social characteristics of the New South. 1.3 Explain the populist response to late
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its speed ‚ same as the shell in the operating system we cannot interact with the kernel and do something to the settings without it) 2. What is the use of options in the command?( Options determine how the command operates) 3. What is the use of arguments in the command?( arguments determine what it operates on) 4. Who develop “bourne shell”?( Stephen L. Bourne) 5. From where the oldest shell had been found?(the oldest shell has been found outside museums) 6. what is the objective of the development
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The Purpose of an Operating System Professor John St. John COMP 129 – PC Hardware and Software October 2‚ 2014 Some professionals in the Information Technology (IT) field might describe the Operating System (OS) of a Personal Computer (PC) as its software brain. Jean Andrews‚ Ph.D.‚ describes an OS this way: “An operating system is software that controls a computer. It manages hardware‚ runs applications‚ provides an interface for users‚ and stores‚
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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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History of Operating Systems Early computers lacked any form of operating system. The user had sole use of the machine; he would arrive at the machine armed with his program and data‚ often on punched paper tape. The program would be loaded into the machine‚ and the machine set to work‚ until the program stopped‚ or maybe more likely‚ crashed. Programs could generally be debugged via a front panel using switches and lights; it is said that Alan Turing was a master of this on the early Manchester
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