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Explain working of the logical file system
The logical file system manages metadata information. Metadata contains all of the file-system structure, excluding actual data. It handles file structure by file control blocks
shell script that accepts two directory names as arguments and delete those file in the second directory that are identical to the file in the first
Question: a) There are main goals of data security. List them and elaborate on how they provide protection. b) Describe threats associated with data security. c) Describe
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Q. Presume that a distributed system is susceptible to server failure. What mechanisms would be needed to guarantee the exactly once semantics for execution of RPCs? Ans
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
what is internal fragmentation?
Problem: Managing Outside Communication. a. What is the principal action we use when communicating through a web browser? b. Give an example of how to preaddress an email
Define secondary memory. This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, an
how do semaphores help us in eliminating deadlock conditions?
protection in operating system
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