memory management, Operating System

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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

Describe the buddy system of memory allocation, Buddy system of memory allo...

Buddy system of memory allocation Free memory is used to maintain in linked lists, each of similar sized blocks. Every block is of size 2^k. When some memory is needed by a th

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What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment? The main difficulty is keeping the operating system with

What is multiprogramming?, What is multiprogramming? Multiprogramming: ...

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Q. If magnetic hard disks eventually have the same cost per gigabyte as do tapes will tapes turn into obsolete or will they still be needed? Describe your answer. Answer: Tap

Define overflow chaining, Define Overflow Chaining Another method will ...

Define Overflow Chaining Another method will divide the pre-allocated table into two sections: the primary area to determine which keys are mapped and an area for collisions, g

What is meant by context switch, What is meant by context switch? Switc...

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Software for business management integrated into a social network Project Description: We are seeking top professionals to build software with us that manages the business.

Define file organization, File Organization     * Sequential     * D...

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