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Explain about disk scheduling with neat diagram?
FCFS Scheduling
SCAN scheduling
C-SCAN scheduling
SSTF scheduling
LOOK Scheduling
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
Recall that condition variables are synchronization primitives that enable threads to wait until a particular condition occurs. Generalizing, the combination of locks and condit
Write note on process, process state? A process is in excess of the program code which is sometimes known as text section. It as well includes the current activity as represent
Consider a scenario of post mailbox, there are two processes named sender S and receiver R. Both processes can communicate with each other by name along with message. You need to I
Q. What is the use of the command interpreter? Why is it generally separate from the kernel? Answer: It reads commands from the user or else from a file of commands and execu
example of first fit best fit and worst fit
What is the use of fork and exec system calls? Fork is a system call by which a latest process is created. Exec is also a system call, which is used after a fork by one of the
What are the different file operations? Create : - Space for the file in the file system update directory table. Write : - file name and data to be written is
Process states in Linux OS Running: Process is either ready to run or running Interruptible: a Blocked part of a process and waiting for a signal or an event from anothe
Banker's Algorithm In this analogy Customers ≡ processes Units ≡ resources, say, tape drive Ba
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