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Write a note on semaphores A semaphore is a tool meant for synchronizing multiple processes trying to access a shared variable. That is a semaphore is used to deal with the cri
explain how indefinite blocking or starvation occurs..
How many disk operations are needed to fetch the i-node for the file /usr/ast/courses/os/handout.t? Assume that the i-node for the root directory is in memory, but nothing else alo
Question 1: a) State the different file attributes and briefly explain the operations that can be performed on each files. b) What is a semaphore? Describe why it is impor
When we download a movie from the Internet, we don't care about, say, packet sizes. However, even ifwe are not aware of howlow-level details of networks are implemented, our data i
System Service Program system service program Supports and provides the services for other program. System service program perform Varity of tasks. They are further divided in
What advantages are there to this two-level directory? Users are isolated from each other. Users have more freedom in choosing file names.
breifly write a note on about evolution of operating system?
why we say OS is a resource allocator and control program
Q. Explain about Input - Output System Management? I/O System Management The module which keeps track of the status of devices is known as I/O traffic controller. Every
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