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What is Belady's anomaly
When plotting on a graph the page faults versus the number of available frames. We notice that the number of faults for four frames is greater than the number of faults for three frames. This most unexpected result is known as Belady's anomaly.
What are the system components of an operating system and explain them? a) Process management b) Main-memory management c) I/O management d) File management e) Seco
Explain in detail about ipc in linux
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Explain fixed partitioning. Partitioning are the simpler techniques that don't involve virtual memory. Partitioning has been used in numerous variations in operating systems.
What is graceful degradation? In multiprocessor systems, failure of single processor will not halt the system, but only slow it down by sharing the work of failure system by ot
Define the Sleep (sec) Function Sleep function suspends execution of this process for sec number of seconds. While this function is used in our example for consistency, other f
Regard as a computer system that runs 5000 jobs per month with no deadlock-prevention or deadlock-avoidance scheme. Deadlocks take place about twice per month and the operator must
list the prevention of mechanism for race condition with operating system
Why Global variables are unacceptable Global variable, for instance, are unacceptable because they break the rules of self - containment. If all procedural components are runni
Forking is an important phase of Unix, critical to the support of its design strategies, which encourages the implementation of filters. In Unix, a filter is a process that reads i
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