unix, Operating System

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what is difference between file descriptor and file pointer?

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Explain disk scheduling algorithms-shortest seek time first, SSTF (Shortest...

SSTF (Shortest Seek Time First) After a demand go to the closest request in the work queue regardless of direction Decrease total seek time compared to FCFS Disadv

Write xeyes on command line, Ask question #Minimum 100 words accepteWrite a...

Ask question #Minimum 100 words accepteWrite an xeyes command to display a window that is: ? SIZE: ¦ 400 pixels wide ¦ 300 pixels tall ? LOCATION: ¦ 100 pixels from the right edge

Define a state which is not a fundamental process state, Define a state whi...

Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state

Define analysis for syntactic structure of source statement, An analysis, w...

An analysis, which defines the syntactic structure of the source statement, is known as Syntax analysis defines the syntactic structure of the source statement

How is the NTFS namespace planned, Q. How is the NTFS namespace planned? Ex...

Q. How is the NTFS namespace planned? Explain. Answer: The NTFS namespace is prearranged as a hierarchy of directories where every directory uses a B+ tree data structure to

Define latency plus seek time, Define Latency plus seek time The total...

Define Latency plus seek time The total time to arrange a disk drive mechanism for a block of data to be read from is its Latency plus seeks time

Gang scheduling , Gang Scheduling : A set of related process is scheduled ...

Gang Scheduling : A set of related process is scheduled to execute on a set of processors at the similar time, on a 1-to-1 basis. Closely related processes or threads may be sched

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

What is multiprogramming? Multiprogramming: The management of many processes within a single processor system. Operating systems such like UNIX provide multiprogramming for sha

What is the exclusive feature of unix, What is the exclusive feature of UNI...

What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.

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