quick, Operating System

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why we say " OS is a resource allocator" and “OS is a control
program"?

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Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates

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Linked list allocation using index The blocks don't have a fixed size. Pointers are utilized to point to the next block in a file. The pointers are set aside as a separate tabl

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Placement algorithms :calculate where in available real-memory to execute a program. Common functions are next-fit, first-fit, and best-fit. Replacement algorithms :are

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how copy on write on pages when many process works at a same time?

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