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Operating Systems Interview Questions
Questions Answers Views Company eMail

List at least three things that a running process might do that would cause the scheduler not to move it to the ready state when it stops running.

 2 6235

What is an advantage of a large scheduling quantum? What is a disadvantage?

 1 7882

Measurements of a certain system have shown that the average process runs for a time T before blocking on I/O. A process switch requires a time S, which is effectively wasted (overhead). The CPU’s efficiency is the fraction of its time its spends executing user programs, i.e., executing user processes. For round robin scheduling with quantum Q, give a formula for the CPU efficiency for each of the following: (a) Q = ∞ (b) Q > S + T (c) S 3756

Why do inode number start from 1 and not 0 ?

 3 12508

is it possible to break the grub password in linux

 6 9231

How can you backup and restore DC

IBM,

4 9906

what is ls -ltd?

HCL,

5 13723

how make a bootable dick

Accenture, HCL, Wipro,

2386

what is a solaris toolkit

1 3472

i installed clustering packages.When i try to run it getting LUCI error...what is it..??

 1949

How to create NULL files of specific size in solaris ?

IBM,

9 12176

How to change rsc ip in sun V490?

Wipro,

4 15734

what is the difference betweenh the NFS and FTP?

IBM,

4 39347

what are the different types of Backups..?

IBM, SDG,

6 11460

what is NIS Server...?

IBM,

2 4986

Un-Answered Questions { Operating Systems }

Explain how do we change file access permissions?

499

What do you understand by transaction atomicity?

571

Can multiple clients connect to same socket?

512

What is different between array and list?

482

What does nvme stand for?

575




How do I fix winword exe error?

445

Is linux hard to learn?

448

What is the most powerful processor?

582

What is kill command?

507

What is static array?

459

How do you switch from any user type to a super user type?

574

Where should I put dll files in windows 7?

431

Briefly explain recursive algorithm 50 how do you search for a target key in a linked list?

567

What do you mean by breadth first search (bfs)?

610

What is the functionality of a top command?

621

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