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Windows XP Vs Linux Ubuntu - Case Study Example

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This paper "Windows XP Vs Linux Ubuntu" will undertake the exercise of comparing the memory management of two operating systems, namely, windows XP and Ubuntu Linux. These two are very popular operating systems but uses a different type of memory management techniques…
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Windows XP Vs Linux Ubuntu
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Download file to see previous pages Memory management is one of the core part of the operating system. It involves the process of managing computer memory. Its basic function is to manage the hierarchy of Random Access Memory and hard disks available on a machine. Its important tasks include allocation and de-allocation of memory. The memory system should be optimized to increase the overall performance and speed of the system. The task of managing memory comprises providing appropriate ways to allocate portions of memory to different programs as they require it, and freeing (or deallocating) it for reuse when no longer needed. Memory managing also takes care of logistics and implementation of Virtual Memory by utilizing hard disk as extra RAM.

Virtual memory is an important concept in the context of the Memory Management system. The growing memory requirements of application programs triggered the idea of Virtual Memory. Operating System will provide this facility by making use of secondary storage - the hard disk - to fulfill the extra memory requirement. The allocation and de-allocation of the data to the Virtual Memory are called Swapping. The process of saving inactive virtual memory pages to secondary storage -hard disk- and restoring them to real memory when required is called Paging. In Paging, both virtual and real address space is divided into fixed-sized (though they can be multiple sized) pages. The pages can be individually manipulated and located at different places in the physical memory and the hard disk. The address translation is actually done by the Memory Management Unit (MMU) of the processor by the use of a Page. (Khetan 2002).

Windows is a closed source desktop operating system, while Linux is an open-source version of UNIX file system and is used as a powerful, low-cost operating system for running servers. Ubuntu is a computer operating system based on Linux. Windows XP and Linux have modern MM systems, and surprisingly both have a lot in common. The data structures are quite similar, and many of the features are also comparable. Some of the similarities of these systems are enumerated below. ...Download file to see next pagesRead More
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