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Explain about directory structure?
Some systems keep millions of files on terabytes of disk. To manage all these data, we require organizing them. This organization is usually divided in two parts. First, disks are dividing into one or more partitions, also called as minidisks in the IBM world or volumes in the PC and Macintosh. Partitions can be thought of as virtual disks. Partitions can also store many operating systems, allowing a system to boot and run more than one.
we need an information about the different graph directory systems in detail by using shell sort . we also application part of directory systems in practical life. please help us i
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What are the disadvantages of swapping technique used in pre-3BSD UNIX systems? If there is excessively much memory contention, processes are swapped out until sufficient
importance of Operating system in modern computers. Also explain various functions & types of operating systems
Q. Consider a distributed system with two sites A and B. Consider whether site A can distinguish among the following: a. B goes down. b. The link between A and B goes down.
Explain briefly the working of semaphore with example ? The E.W. Dijkstra (1965) abstracted the key idea of mutual exclusion in his concepts of semaphores. Definition A s
What is preallocation? Why do it? Allocating space for a file before making the file to allow for expansion. This reserves space for a certain file so that other files can't gr
How the Nested Macro calls are expanded LIFO (Last in First out)
The principle is that of ordinary addition; however remember the highest number is 1. Calculate the following: 11001 + 11
File allocation using I nodes. This method is used to decrease the size of the table in the above method. Every file will have an I-node list. Allow a file have 15 pointers a
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