unix, Operating System

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what is difference between file descriptor and file pointer?

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Paging, ___paging fecthces a page only when needed

___paging fecthces a page only when needed

Mutual exclusion variable, Since each thread has its own processing space t...

Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the

Explain linked list allocation using index, Linked list allocation using in...

Linked list allocation using index The blocks don't have a fixed size. Pointers are utilized to point to the next block in a file. The pointers are set aside as a separate tabl

Calculate maximum average bandwidth, You have a system with two primary wor...

You have a system with two primary workloads. One performs sequential access to a set of large files, the other performs small, independent, random reads to a separate set of large

Explain the grouping threads that execute similar functions, Grouping Threa...

Grouping Threads That Execute Similar Functions   Thread Groups are generally used to group threads that execute similar functions of the application program. For instance, if

Deadlock-avoidance algorithm, Regard as a computer system that runs 5000 jo...

Regard as a computer system that runs 5000 jobs per month with no deadlock-prevention or deadlock-avoidance scheme. Deadlocks take place about twice per month and the operator must

What is a sequential file, What is a sequential file? A file that is re...

What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.

Explain the various page replacement strategies, Explain the various page r...

Explain the various page replacement strategies. Page replacement-basic scheme with diagram Optimal page replacement LRU page replacement FIFO page replacement LRU

Define criterion for classification of data structures, Define what can be ...

Define what can be used as a criterion for classification of data structures utilized in language processing              Answer: nature of a data structure, lifetime of a dat

Processes, draw a state diagram showing the transissions of a process from ...

draw a state diagram showing the transissions of a process from creation to termination

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