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

Windows (3805)
Linux (2255)
Unix (1343)
Solaris (894)

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

Operating Systems Interview Questions

Questions Answers Views Company eMail

How to implement Threading?

QuestPond,

993

How to stop a long running thread?

Sans Pareil IT Services,

1042

Can you tell which dlls are used for SDK?

C DAC, CDAC,

1010

Why it is important to have aligned addresses? What is the exception generated when there is a misaligned address?

Ciena,

889

On clicking a node in a tree, all the adjacent edges are turned on. Calculate min of clicks such that all the edges are turned on.

Aspiring Minds,

971

Explain the implementation of an AVL tree and Binary tree.

Ittiam Systems,

943

Describe the complexity of Quick Sort

Honeywell, Zomato,

928

Explain different methods in which you can traverse a tree?

NIIT,

904

How can you implement a stack?

NIIT,

1067

What is a Breadth First Search? Give a few of its applications.

Ciena,

884

How would you check if a binary tree is BST or not ? Write a program.

DELL,

898

What the principle of quick sort and its complexity?

Honeywell, Zomato,

988

Describe the complexity of Binary search

Honeywell, Zomato,

894

What is peep stack?

HCL,

1001

What is the prerequisite for binary searching?

Expedia,

1038

Un-Answered Questions { Operating Systems }

What is error code 0xc0000022?

951

Explain the difference between installation and configuration?

948

How efficient is binary search?

863

How cp command works in linux?

1101

What do you mean by back edge?

1061

What is hash data type?

942

What are the parts of windows?

913

What is the cache memory?

990

What is the trc timing?

1057

List the data structures which are used in hierarchical data model.

947

Can we add duplicate keys in a hashmap?

894

When did 64 bit come out?

1029

What is scripting in linux?

891

Can you wipe clean a hard drive?

894

Why is round robin algorithm considered better than first come first served algorithm?

1279

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