semantics of system call , Operating System

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what is semantics of system call execution?

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Explain additional-reference-bits algorithm, Additional-reference-bits algo...

Additional-reference-bits algorithm We can keep an 8-bit byte for every page in a table in memory. The operating system shifts the reference bits right 1 bit, discarding the lo

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Using pages makes it easier to manage the whole memory, avoiding excessive fragmentation and waste. As an analogy, think of Tetris, but with only square blocks: it is relatively ea

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The permission function is used to calculate what, if any access each class or level of user has to each file on a Unix machine. The permission task is one of the data components s

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what is multilevel page table and its applications?

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Objective - Tiny Shell (tish) In this exercise you will write a small shell program to run different programs in foreground and background mode. Background Usually when

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Consider a particular system that does not have an interrupting clock.  The only way a thread can lose the processor is to voluntarily surrender it.  Additionally, the operating sy

Malloc and calloc function, Note that the parameter for scanf doesn't need ...

Note that the parameter for scanf doesn't need the address operators & because name is an address. However the variable name has no defined space. This can cause problems within C

Assignment, Ask question #Minimum 100 words accDefine Hashing System. Descr...

Ask question #Minimum 100 words accDefine Hashing System. Describe the Hashed page table with example and mapping figure.

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