unix, Operating System

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what is difference between file descriptor and file pointer?

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Explain message passing system, Message passing system:- The function o...

Message passing system:- The function of message system is to permit processes to communicate with one another without the requirement to resort (option) to shared data. Commun

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Suppose your process starts up, and allocates some memory with malloc(). The allocator will then give part of a memory page to your process. The OS then updates the corresponding p

List two types of system directories, List two types of system directories ...

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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What is the main function of the memory-management unit? The runtime mapping from virtual to physical addresses is done by a hardware device known as a memory management unit (

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Explain Processing Predefined Application Protocols Implementing and swift processing of predefined application protocols is sure to improve performance of server - side applic

Fork join, fork and join syntax in java

fork and join syntax in java

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Q. Explain about Operating System Services? An operating system offers services to programs and to users of those programs. It provided by one environment for execution of

Major advantage of the layered approach to system design, Q. What is the ma...

Q. What is the major advantage of the layered approach to system design? What are the de-merits of using the layered approach? Answer: As in all cases of modular design as well

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What are the deadlock p revention methodologies? a.       Necessitate that processes request all resources before starting - if cannot be granted don't run. b.      Process

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Basic File System Uses the specific device driver. Deals with blocks of data that are exchanged with the physical device. Concerned with the placement of blocks on

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