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

Write a program for reversing the Single Linked List?

Honeywell, Zomato,

1103

What are stacks? Give some of its applications.

TCS,

977

You are given a singly linked list. How would you find out if it contains a loop or not without using temporary space?

TCS,

1110

Given an array of integers, devise a program to replace every element with the next greatest element on the right side in the array. Also, replace the last element with 5 as there no element on the right side of it.

Wipro,

1076

How to initialize Dictionary using collection initialize?

Wipro,

1042

Write a program to reverse a link list.

iNautix,

931

What are skew trees? For a tree with 4 nodes draw all possible binary? Generalize for n nodes how many binary trees can be drawn?

Tech Mahindra,

1032

How to increase stack limit in w3wp.exe?

PUCIT,

1050

What is variable size arrays?and why we use it?

MCN Solutions,

1022

How do you rotate an AVL tree?

Global Logic,

974

Write any two principles of gradation of structures.

Mahatma Gandhi University,

983

write a code for Implementation of stack and queues.

InterGraph,

971

What is virtual memory? Where it used by OS?

MCN Solutions,

1219

Explain Page Segmentation.

Genpact,

1016

Page replacement algorithm in Operating System?

Impetus,

1091

Un-Answered Questions { Operating Systems }

How do I move my downloads folder?

958

Why is it called syswow64?

847

How much time does it take to update to windows 10?

808

What are the different ways in which a thread can enter into waiting state?

1057

What is the meaning of dhcp and what is the port used by it to work ?

907

Explain how do you execute one program from within another?

972

Is unix multiuser?

865

How do I know which version of windows?

949

Do I need windows update?

791

What is windows host process rundll32 virus?

795

What is perfect binary tree?

837

Where are windows startup programs located?

890

Disabling tsrs from loading automatically?

1019

Where is the windows start button?

1146

How do I open and edit a dll file?

1080

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