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what is os
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
What are the objectives and functions of operating system? Functions of operating systems 1. It allocates the resources and acts as a supervisor. 2. It hides th
why we say " OS is a resource allocator" and “OS is a control program"?
Q. How Program execute in operating system? Program execution: Operating system loads a program in memory and executes the program. The program should be able to end its exec
how are you
what is I/O management Linux
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Q. a number of systems automatically delete all user files when a user logs off or a job terminates unless the user explicitly requests that they be kept other systems keep all fil
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