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List ways to share files among directories in operating systems.
a. Copy file from one account into another.
b. Link directory entry of "copied" file to directory entry of original file.
c. Copy directory entry of file into account file is "copied" into.
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
define semaphore. how can we use semaphore to deal with n-process critical section problem.
What is a binary Semaphore?
The performance of a file system depends upon the cache hit rate (fraction of blocks found in the cache). If it takes 1 msec to satisfy a request from the cache, but 40 msec to sat
Cold Backup: It is copying the three groups of files when the object is shut down. This is a straight file copy, generally from the storage disk directly to tape. You must end th
Locks (also known as mutexes, short for mutual exclusion locks) provide mutual exclusion to shared data inside a critical session. They are implemented by means of two atomic routi
Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
The following information is available for three MPS (Master Product Scheduling) items: Product A An 80 unit order is to be started in Week 3.
Question 1 Describe about the shells of Linux operating system Question 2 Describe briefly about GNOME desktop Question 3 Write note on the following- Encryp
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