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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.
Question: a) Define the term ‘Operating System' and identify two goals of an operating system. b) What do you understand by Symmetric multiprocessing (SMP) and Asymmetr
Question 1 Explain with diagram all possible states a process visits during the course of its execution Question 2 Discuss Inter-process Communication. What is critical-secti
Explain process scheduling in time sharing The relevant features of time sharing are: 1. Process priorities do not depend on the nature of the processes 2. Proc
what is file abstraction?
Explain Busy Waiting Semaphores Weak, Busy-wait Semaphores a) The simplest way to implement semaphores. b) Useful while critical sections last for a short time, or we com
What is protection of input output?
Q. Show that a few schedules are possible under the two-phase locking protocol however not possible under the timestamp protocol and vice versa. Answer: A schedule that is auth
what is inter process communication..
1. How is reliability enhanced with the microkernel approach to system design? 2. In a virtual machine design where guest operating systems are independent virtual machines sup
Q. If each the access rights to an object are deleted the object can no longer be accessed. At this stage the object should also be deleted and the space it occupies should be ret
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