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,

973

Write any two principles of gradation of structures.

Mahatma Gandhi University,

983

write a code for Implementation of stack and queues.

InterGraph,

970

What is virtual memory? Where it used by OS?

MCN Solutions,

1215

Explain Page Segmentation.

Genpact,

1015

Page replacement algorithm in Operating System?

Impetus,

1091

Un-Answered Questions { Operating Systems }

Explain how is linked list implemented?

938

How do I open the start menu shortcut?

953

What is .sh file in unix?

1004

please tell me what is graphics card ,version , type slot

2004

Name the key features of the bourne shell.

908

What is unix used for?

968

What is nmon tool do?

How do you check if a port is listening in windows?

789

In what way the Fault Handlers and the Interrupt handlers are different?

977

Under what circumstances do page faults occur? Describe the actions taken by the operating system when a page fault occurs?

1085

Explain getopts command of linux?

1136

How do I activate microsoft edge in windows 10?

854

Explain what is a semaphore?

1111

How do I fix inaccessible boot device?

859

what is the gate of ftp server in redhat linux?

1905

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