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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 6222

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

 1 7870

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 3744

Why do inode number start from 1 and not 0 ?

 3 12489

is it possible to break the grub password in linux

 6 9222

How can you backup and restore DC

IBM,

4 9878

what is ls -ltd?

HCL,

5 13700

how make a bootable dick

Accenture, HCL, Wipro,

2379

what is a solaris toolkit

1 3463

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

 1940

How to create NULL files of specific size in solaris ?

IBM,

9 12149

How to change rsc ip in sun V490?

Wipro,

4 15703

what is the difference betweenh the NFS and FTP?

IBM,

4 39308

what are the different types of Backups..?

IBM, SDG,

6 11436

what is NIS Server...?

IBM,

2 4973

Un-Answered Questions { Operating Systems }

What are the contents in /usr/local?

510

Do ssd drives overheat?

506

What is unix mtime?

492

Can I delete programs x86?

638

Can corrupted files be recovered?

509




Explain the different types of pathnames that are used in unix.

470

why unix commands simpler rather than complex task

3828

Which windows 10 is best for laptop?

424

What are the types of dos?

275

What is the operating system?

626

How do you sort elements in an arraylist?

460

How do I start a runnable thread?

415

What does it cost to upgrade to windows 10?

411

What is 0x0000007b?

490

How to obtain information about shared memory?

1048

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