semantics of system call , Operating System

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what is semantics of system call execution?

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Evicting the most-recently used (MRU) page does very well on LRU's worst case. In general, however, MRU is a bad idea, since many programs exhibit temporal locality in their memory

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Write a short note on disk structure Modern disk drives are initiate as large one dimensional array of logical blocks where the logical block is the smallest unit of transfer.

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Cold Backup: It is copying the three groups of files when the object is shut down. This is a straight file copy, generally from the storage disk directly to tape. You must end th

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What is virtual file system? A Virtual file system switch (VFS) or Virtual file system is an abstraction layer   on top of a more concrete file system. The purpose of a VFS

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