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Explain the Spawnvp Function used in the netware
Spawnvp(flags, execNmae, argv)
This function executes similarly to spawnlp( ) except that parameters are passed as a vector of pointers (char **). The last parameter in the arrayof char*s must be NULL.
justify the role played by the operating system in managing the process to avoid deadlock
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
What are the five major activities of an operating system in regard to process management? The creation and deletion of both user and system processes The suspension and res
Difference between cache and associate memory
Operating Systems have evolved tremendously in the last few decades. The first approach for building Operating Systems, taken during the 40s through early 60s, was to allow only on
What is starvation? A main problem related to deadlock is starvation. Starvation is the circumstances where process waits indefinitely within the semaphore. Indefinite blocking
Assume there are only 4 page frames in the physical memory, for the following reference string: 1, 2, 3, 4, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2, 8. a) What i
Interrupts The hardware mechanism that enables a device to inform the CPU is called an interrupt. The basic interrupt mechanism works as follows. The CPU hardware has a wire kn
wat are the commands used for creating the file hierarchy
What is an effector process? The effector process is a method that verifies itself.The effector process exists in particular criteria.
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