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Process termination
A process terminates when it finishes implementing its final statement and asks the operating system to delete it by using the exit system call. At that time the process might be return data to its parent processes. All the resources are deallocated by the operating system.
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Operations that are to be performed on a directory are Search for a file: We are able to find all files whose names match a exact pattern. Create a file: New files requi
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
explain any four types of operating system feature and structure(design)
Explain the Resource Ownership by Platform Ownership of data items may further be complicated by concepts defined in certain operating systems. Each operating system defines "p
case study:interprocess communication
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple examples of each resource type
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