What are The Three Important Parts Of Unix Operating System‚ Explain Them? Answer: UNIX is an operating system which was first developed in the 1960s‚ and has been under constant development ever since. It is a stable‚ multi-user‚ multi-tasking system for servers‚ desktops and laptops. The UNIX operating system is made up of three parts; the kernel‚ the shell and the utilities (programs). THE KERNEL: The kernel of UNIX is the hub of the operating system: it allocates time and memory to programs
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Toward a Cloud Operating System Fabio Pianese Peter Bosch Alessandro Duminuco Nico Janssens † Thanos Stathopoulos Moritz Steiner Alcatel-Lucent Bell Labs Service Infrastructure Research Dept. †Computer Systems and Security Dept. {firstname.lastname}@alcatel-lucent.com Abstract—Cloud computing is characterized today by a hotchpotch of elements and solutions‚ namely operating systems running on a single virtualized computing environment‚ middleware layers that attempt to combine
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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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References: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Wikipedia Official website of Android Official website of Apple Official website of Windows phone http://www.studymode.com/essays/Mobile-Operating-Systems-FeatureComparison-905694.html http://en.wikipedia.org/wiki/Mobile_operating_system http://archive.techtree.com/techtree/jsp/article.jsp?article_id=114322&cat_id=899 http://jaxov.com/2010/04/iphone-os-4-vs-windows-phone-7-vs-android-2-1comparison/
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Operating System Comparisons PRG/355 February 4‚ 2013 Operating System Comparisons Table of Contents Introduction 3 Memory Management 3 Process Management 6 File Management 7 Security 8 Conclusion 9 References 11 Introduction An operating system (OS) is software that manages the hardware and software resources of a computer system. Basically an OS is a set of libraries or functions which programs may use to perform specific tasks relating to interfacing
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1. Introduction: An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. Application programs usually require an operating system to function. For any computer to function‚ it must have an operating system (OS). A powered computer with no operating system will only display coded text messages only understandable to the computer
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their operating systems. Just like a PC can run different operating systems (like Windows‚ Linux‚ BSD etc.) or different versions of the same operating system (like Windows XP‚ Windows Vista‚ Windows 7 etc.)‚ most smartphones can also run different versions of the operating system they were made for and in exceptional cases‚ they might even be able to run operating systems they weren’t made for. They can be classified in the following manner. 1. Manufacturer-built proprietary operating systems •
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UNIX/Linux‚ Mac‚ Microsoft Windows Operating System Differences University of Phoenix Abstract This paper will elaborate on the major differences of the main Operating Systems (OS)‚ which are UNIX/Linux‚ Mac®‚ Microsoft® Windows®. The areas of discussion for this paper will be on Memory Management‚ Process Management‚ File Management‚ and Security for each operating system. Operating Systems (OS) for a computer is the main processing software
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Operating System Basics Functions of Operating Systems • An operating system is the software on a computer that manages the way different programs use its hardware‚ and regulates the ways that a user controls the computer. • Provide a user interface • Run programs • Organized file storage Types of Operating Systems • Real-time operating system – Very fast small OS – Built into a device – Respond quickly to user input – MP3 players
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Types of Operating Systems Within the broad family of operating systems‚ there are generally four types‚ categorized based on the types of computers they control and the sort of applications they support. The categories are: * Real-time operating system (RTOS) - Real-time operating systems are used to control machinery‚ scientific instruments and industrial systems. An RTOS typically has very little user-interface capability‚ and no end-user utilities‚ since the system will be a "sealed box"
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