linux, Operating System

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Discuss the risks of having a single root user

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Why is rotational optimization no longer consequently useful, UNIX systems ...

UNIX systems utilized to use disk-layout optimizations based on the rotation position of disk data however modern implementations including Linux simply optimize for sequential dat

Page-table lookups, How exactly is a page table used to look up an address?...

How exactly is a page table used to look up an address? The CPU has a page table base register (PTBR)which points to the base (entry 0) of the level-0 page table. Each process h

Write a note on semaphores, Write a note on semaphores A semaphore is a...

Write a note on semaphores A semaphore is a tool meant for synchronizing multiple processes trying to access a shared variable. That is a semaphore is used to deal with the cri

Explain long term scheduling, Long term scheduling Scheduling explicitl...

Long term scheduling Scheduling explicitly performed when a new process is created and it determines which programs are admitted to the system for processing. Therefore it cont

Define a policy for data storage, Produce a referenced four page report whi...

Produce a referenced four page report which describes the possible functionality of the system; similar systems that are out there and different possible approaches to delivering t

#network OS, what are the design issues of network OS

what are the design issues of network OS

Producer – consumer process, Step by step displays the content, and the fin...

Step by step displays the content, and the final result of the list ("buffer") of 6 elements as the initial values ??and the following elements which are produced (NEXTP) or consum

Software Support (Introducing Operating Systems), The questions ask List fo...

The questions ask List four major functions of an OS. My answer: Function 1: Provide a user interface Function 2: Manage files Function 3: Manage hardware Function 4: Manage appli

Explain about error detection method, Q. Explain about Error detection meth...

Q. Explain about Error detection method? Error detection: error can occur in CPU, in I/O devices or in memory hardware. Operating system constantly needs to be aware of possi

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

What is meant by context switch? Switching the CPU to another process needs saving the state of the old process and loading the saved state for the latest process. This task is

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