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Several schemes available are as follows:
Pipes: One-way communication process through which different process can interact. The problem is that the two processes could have a unique ancestor. However this problem was fixed with the help of named-pipes (FIFO).
Message Queues : Message queues may be used between unrelated and related processes executing on a machine.
Shared Memory: This is the fastest of all IPC process. The memory to be shared is examined into the address space of the processes. The speed gain is attributed to the fact that there is no kernel use. But this scheme requires synchronization.
what is data-processing cycle?
What are the various file operations? The six basic file operations are Creating a file Reading a file Writing a file Repositioning within a file Tr
Problem: a) Define a ‘file' and list the objectives of the file management system. b) List the ways in which programs access files and determine for what file types you woul
Major page fault: If the page is not loaded in memory at the time the fault is stated, then it is named major or hard page fault. The handler in the machine requires to search a
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
advantages and disadvantages of kernal level thread
Second-Chance algorithm When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page. If the reference bit is set to 1, thoug
Swapping : Whole process is moved from the swap machine to the main memory for execution. Process size must be equal or less than to the used main memory. It is easier to exe
Q. Operating System as User Interface? • Every general purpose computer comprises the operating system, hardware, system programs and application programs. The hardware compris
UNIX systems utilized to use disk-layout optimizations based on the rotation position of disk data however modern implementations including Linux simply optimize for sequential dat
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