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Q. Explain the File-system manipulation?
File-system manipulation there is several details in file allocation, creation, deletion and naming that users should not have to perform. Blocks of disk space are utilized by files and must be tracked.
Deleting a file requires eliminating the name file information and freeing the allocated blocks. Protections must as well be checked to assure proper file access. User programs could neither make sure adherence to protection methods nor be trusted to allocate only free blocks and deallocate blocks on file deletion.
How is it different from the unbounded buffer algorithm ? Explain.
Question 1: a) Briefly explain each of the following terms: (i) Distributed systems. (ii) Real time systems. (iii) Multiprocessor. b) What is the impo
What is the basic approach of page replacement? If no frame is free is available, find one that is not presently being used and free it. A frame can be freed by writing its con
draw a state diagram showing the transissions of a process from creation to termination
Q. Consider the two-dimensional array A: int A[][] = new int[100][100]; Whereas A [0][0] is at location 200 in a paged memory system with pages of size 200. A little process
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Determine what the “blocking factor” of a file is Blocking factor is the number of logical records in one physical record
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
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