Operating Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Windows (3805)
Linux (2255)
Unix (1304)
Solaris (894)

RTOS (43)
Bulnex (4)
Operating Systems General Concepts (1242)
Data Structures (2039)

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 7721

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

1 8861

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 1 4432

Why do inode number start from 1 and not 0 ?

3 14067

is it possible to break the grub password in linux

6 11389

How can you backup and restore DC

IBM,

4 11657

what is ls -ltd?

HCL,

5 16140

how make a bootable dick

Accenture, HCL, Wipro,

1 2945

what is a solaris toolkit

1 4399

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

1 2465

How to create NULL files of specific size in solaris ?

IBM,

9 15156

How to change rsc ip in sun V490?

Wipro,

4 17691

what is the difference betweenh the NFS and FTP?

IBM,

4 42050

what are the different types of Backups..?

IBM, SDG,

6 14182

what is NIS Server...?

IBM,

2 6267

Un-Answered Questions { Operating Systems }

What is the latest windows operating system?

1043

What is the latest version of google browser?

1201

Can you declare an array without assigning the size of an array?

1202

What is the next version of windows after 10?

971

What sort of serious problems have you experienced, and how have you handled them?

1020

What is the latest version of linux?

1019

What is the next windows after 10?

943

what is the gate of ftp server in redhat linux?

1989

What is the command for cut?

1029

please prodide me nvidi placement papers

2647

What items of information about a task might be useful in real time scheduling?

4546

What is the latest linux kernel?

1023

How do I add a google account to windows 10?

908

What is the latest version of microsoft edge for windows 10?

894

How much does a windows 10 license cost?

925

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