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

What is the difference between Array and Arraylist?

1155

A pair of redundant systems are operating, how would you ensure that when one of them goes down, the other one will take over its operation?

DELL,

1176

What are the different replacement policies ?

Wipro,

1194

What first program that the computer runs when the power is turn on?

Arigo Infotech,

1119

Why do we need inter process communication?

1299

One starts counting from 0 to max and the other stars from max to 0. Which one executes fast.

1102

Where the user store resides in OS?

1091

How you can Kill the Session by force?

1129

What do you know about system model?

C DAC, CDAC,

1180

Define a good platform along with its qualities.

Wipro,

1198

What is a semaphore? What are the different types of semaphores?

Wipro,

1213

What is the feature of real time os?

1250

Explain what you mean by memory alignment.

TCS,

1119

List advantages and disadvantages of dynamic memory allocation vs. static memory allocation.?

1229

Tell me something about the concept of memory leak?

1176

Un-Answered Questions { Operating Systems }

Can you reinstall windows 7 without losing data?

950

What is critical section problem?

1105

How to Test with Other IP Numbers?

1550

How can a binary tree be represented using the rotation?

970

Where is the start menu folder in windows 10?

913

Which linux is best for home use?

1032

How do I delete files in system32?

952

What is the home directory in unix?

975

List the advantages of bourne again shell or bash.

how to add an item to the beginning of the list?

1024

How do I remove windows 10 and install windows 7?

840

Does arraylist have a tostring?

943

How do I go to safe mode?

945

List some applications of queue data structure.

981

Which sorting algorithms are in place?

950

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