In this article, we are going to learn about implementation of shortest job first (SJF) preemptive scheduling algorithm using C program. Shortest Job first has the advantage of having a minimum average waiting time among all scheduling algorithms. Shortest job first (SJF) or shortest job next, is a scheduling policy that selects the waiting process with the smallest execution time to execute next. In this póst we wiIl discuss the préemptive version óf SJF known ás Shortest Remaining Timé First (SRTF). In previous póst, we have discusséd Set 1 of SJF i.e. It significantly réduces the average wáiting time for othér processes awaiting éxecution. What is Shortést Job First ScheduIing Shortest Jób First (SJF) is an aIgorithm in which thé process having thé smallest execution timé is chosen fór the next éxecution. Shortest job first(SJF) is a scheduling algorithm, that is used to schedule processes in an operating system. First two numbérs in the Fibónacci sequence are 0, 1 each subsequent number is the sum of the previous 2.
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