What is Zombie Process? A zombie process or defunct process is a process that has completed execution (via the exit system call)…
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FCFS Scheduling
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Difference between System Software and Operating System In this article, you will learn about the difference between system software and operating system.…
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Difference between Virtual Memory and Job Pool Both virtual memory and job pools temporarily store the processes on disk and bring them…
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Why must User Threads be mapped to Kernel Thread? A kernel thread is an actual thread that is capable of being scheduled…
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Problem on Counting Semaphore The questions are being asked on counting semaphore in GATE. Generally the questions are very simple that contains…
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Shortest Job First (SJF) Scheduling Till now, we were scheduling the processes according to their arrival time (in FCFS scheduling). However, SJF…
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Overlays in Memory Management One of the main limitations imposed on programmers in the early days of computers was the size of…
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Server Operating System In this article, you will learn about the server operating system with its types and benefits. What is Server…
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Process Management in OS A Program does nothing unless its instructions are executed by a CPU. A program in execution is called…
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Sleep and Wake (Producer Consumer problem) Let’s examine the basic model that is sleep and wake. Assume that we have two system…