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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.
When programming with threads, there are three very common mistakes that programmers often make: 1. locking twice (depending on the system and type of lock, can cause crashes, h
Determine a policy that is not a valid page replacement policy? RU policy (Recurrently used) is not a valid page replacement policy.
Resolution of externally defined symbols is carried out by Resolution of externally defined symbols is carried out by Linker
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
Tree structured directories: This is the main common directory structure. The tree has a root directory as well as every file in the system has a unique path name. A directory
The procedure for handling the page fault is as follows 1. We check the internal table to verify whether the reference was valid or invalid. 2. If the reference was invalid,
Consider a demand-paging system with the following time-measured utilizations: CPU utilization: 10%, Paging disk: 98%, Other I/O devices: 5%. What does this imply? How to improv
Write socket based fortune teller server
Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
Q. Present an algorithm for reconstructing a logical ring after a process in the ring fails? Answer: Typically distributed systems utilize a coordinator process that performs
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