semantics of system call , Operating System

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what is semantics of system call execution?

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List two types of system directories A) Device directory:- Describing physical properties of files. B) File directory :- Giving logical properties of the files.

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Example of semaphore, For example, by initializing a semaphore to 0, thread...

For example, by initializing a semaphore to 0, threads can wait for an event to occur, and impose an ordering constraint, similar to a monitor using condition variables, but with m

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What are the five major activities of an operating system in regard to file management? The creation and deletion of files The creation and deletion of directories The s

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Explain the OS/2 Operating System Like NetWare, OS/2 manage resources at three levels, as shown in Figure 4.5 Resources may be maintained at the session, process, and thread le

How memory utilization factor shall be computed, How Memory utilization fac...

How Memory utilization factor shall be computed  Memory utilization factor shall be defined as Memory in use/total memory connected

Process abstraction in operating systems, Many early operating systems rega...

Many early operating systems regarded processes as different timesharing users. The process abstraction is a popular way to organize concurrent programs, but it is not the only cho

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Question: (a) The following table (table 1.0) gives the length of the CPU burst time in milliseconds of processes P 1 to P 4 . Assume the processes arrived in the order P 1 ,

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Briefly explain the process management in UNIX. UNIX makes use of the easy but powerful process facility that is visible to the user. UNIX follows the model in which the majori

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