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Nt1330 Unit 9 Final Paper

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Question1: List five services provided by an operating system, and explain how each creates convenience for users. In which cases would it be impossible for user-level programs to provide these services? Explain your answer.

Services provided by an operating system .the following are examples of services provided by an operating system context switching & scheduling, which allocate process cpu time to execute its instructions . Memory management , which deals with allocating memory to process .
 Context switching &scheduling which allocate a process cpu time to execute its instructions .
 Memory management, which deals with allocating memory to process.
 Interposes the communication, which deal with facilities to allow concurrently running the process to communicate with each each others .
 File system which provide higher level files out of low level unstructured data on disk .
 High levels I/O facilities , which free a process from the low level details of interrupt handling . …show more content…
What would the bootstrap program need to do?

Consider a system that would like to run both windows xp and three other distributions of Linux
(e.g. redhat, debain , and mandrake ).each operating system will be stored on disk .during the system boot-up a, special program (which we will call the boot manger) will determine which operating system to boot into .this means that rather initially booting to an operating system , the boot manager will first run during system startup .it is this boot manager that is responsible for determining which system to boot into . typically boot managers must be stored at certain locations of the hard disk to recoginized b/w system startup . boot manager often provide the user with the selection of system to boot into boot managers are also typically designed to boot into to a default operating system if no choice is selected by the user

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