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What is virtual file system?
A Virtual file system switch (VFS) or Virtual file system is an abstraction layer on top of a more concrete file system. The purpose of a VFS is to permit for client applications to access different kinds of concrete file systems in a uniform way. A VFS is able to for illustration be used to access local and network storage devices transparently without the client application noticing the difference. Or it is able to be used to bridge the differences in Windows, UNIX file systems and Mac OS.
Question: a) Each process is represented in the operating system by a process control block (PCB). The PCB contains many pieces of information associated with a specific proce
What is Directory? The device directory or simply called as directory records information-such as name, location, size, and type for all files on that certain partition. The d
LRU page replacement In least lately used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an opti
Define deadlock prevention. Deadlock prevention is a set of process for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pr
Define CPU scheduling. CPU scheduling is the method of switching the CPU among several processes. CPU scheduling is the basis of multiprogrammed operating systems. By switching
how are you
Explain the various methods for handling deadlocks. A set of processes is deadlocked if every process in the set is waiting for an event that only a process in the
a summary of what operating system do
what is internal fragmentation?
Deadlock Prevention Prevention is the name given to method that guarantee that deadlocks can never happen for the reason that the way the system is structured. Since 4 conditio
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