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Most process abstractions support processes being destroyed when the program terminates, or in response to a specific kill directive. There are two common implementations, one a "poison pill" where the process is sent a command to kill itself, and the other where the system itself kills the process, not permitting the process to execute further at all. What actions need to be taken when a program terminates or a process is killed? What if that process destruction is not the consequence of normal process termination, but rather is the consequence of software failure?
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
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Sir i want formulas in Memory management starting from paging till the demang paging in a easy manner for solving problems in competitive exams
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