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USER-LEVEL THREADS (ULT)
In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Thread switching doesn't require kernel mode privileges no mode switch and scheduling is application specific.
What is the essence of facility location in production operation management
How is memory management done using linked lists? Each one node of the l list will have 4 fields as follows 1-this tells whether it s a hole or a process 2-starting ad
Q. Why do some systems stay track of the type of a file while others leave it to the user or simply don't implement multiple file types? Which system is "better?" Answer: A f
Question: Concurrency and Synchronization a) Define the following terms: I. Critical section II. Mutual Exclusion III. Deadlock IV. Starvation. b) Name three methods w
Write a note about Directory structure with examples. The FreeBSD directory hierarchy is basic to obtaining an overall understanding of the system. The most significan
Suppose we have 3 processes running at the same time as shown in the following table. Each resource only has one instance. Show a possible scenario of resource allocation that r
why we say" OS is a resource allocator" and “OS is a control program"?
While it is hard to resolve a deadlock which has been detected, fortunately it is fairly easy to prevent deadlocks from ever happening. The key is that the conditions above for dea
How are file sharing and protection implemented? To execute file sharing and protection the system have to maintain more file and directory attributes than are needed on a sing
Contiguous allocation: Every file will be allocated contiguous space in the memory. Allow the block size be 1K If a 50K files desires to be allocated space after t
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