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Define multithreading
The proficiency of an operating system to execute different parts of a program called threads simultaneously is called as multithreading. A thread is a flow of control from a program with a single execution point. Threads are similar to pieces of process and every process will be having at least one thread. In multithreading the threads are executing in parallel. Having multiple threads executing in parallel in one process is analogous to having multiple processes running in parallel in one computer. Here the threads share open files, an address space, and other resources.
Since the threads executing parallel are sharing the resources the interfering among the threads should be avoided. Multithreading is put into practice for improving the response time of the system.
We are faced with three major components of the page-fault service time. 1. Service the page-fault interrupts. 2. Read in the page. 3. Restart the processes.
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Relative file organization A relative file is an array of fixed-length slots and the records can be inserted in the first free slot found from the beginning of the file and
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