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,

1003

How to stop a long running thread?

Sans Pareil IT Services,

1054

Can you tell which dlls are used for SDK?

C DAC, CDAC,

1015

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

Ciena,

907

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,

975

Explain the implementation of an AVL tree and Binary tree.

Ittiam Systems,

952

Describe the complexity of Quick Sort

Honeywell, Zomato,

934

Explain different methods in which you can traverse a tree?

NIIT,

924

How can you implement a stack?

NIIT,

1078

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

Ciena,

888

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

DELL,

906

What the principle of quick sort and its complexity?

Honeywell, Zomato,

994

Describe the complexity of Binary search

Honeywell, Zomato,

909

What is peep stack?

HCL,

1014

What is the prerequisite for binary searching?

Expedia,

1043

Un-Answered Questions { Operating Systems }

How do I find the path of a program in windows?

900

How do I know if chkdsk found errors?

875

What is a sector?

1022

What is the difference between dictionary and hashtable?

1038

How to check memory stats and cpu stats as a linux admin?

954

What data type is array?

920

Why has my start menu disappeared?

950

What command is used to remove the password assigned to a group?

1157

Is it dangerous to open spam emails?

991

Is map a collection?

865

How do you edit a document?

937

Why is windows called an user friendly operating software?

836

What is the limit of ram capacity in a 32bit os?

1078

Can I find my windows product key on my computer?

744

How do I fix error code 0xc0000225?

1012

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