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

What sort of serious problems have you experienced, and how have you handled them?

Wipro,

952

How would you swap the Kth node from beginning with Kth node from end in a Linked List.

DELL,

927

Two linked lists are given, find out the sum of them without altering the linked list?

Expedia,

966

Given M x N matrix with sorted elements row wise and column wise, find elements?

Expedia,

981

What is the Insertion Sort Code?.

DELL,

1029

Describe the merge sort principle and what will be its time complexity?

Wipro,

1 1545

Explain the principle of quicksort. What is its complexity?

HAL,

1056

Write a program using mergesort technique.

iNautix,

1006

Tell us the difference between merge and quick sort. Which one would you prefer and why?

Agilent, ZS Associates,

1019

Explain heapsort. What is its complexity?

Essar,

978

Can you use Bubble Sort To sort the number of elements.

iNautix,

867

What is a reverse linked list.

Aspiring Minds,

1032

Give us a program to reverse a linked list.

DELL, Genpact,

976

What is 2 dimensional linked list?

Tech Mahindra,

1005

Reverse a linked list from the middle.

Aspiring Minds,

933

Un-Answered Questions { Operating Systems }

What is b tree in data structure?

912

Where is .exe located?

928

How do I run a .sh file in unix?

929

When would you use a hashmap?

923

How do I get rid of system queued windows error reporting?

825

What is priority queue in data structure?

1046

What is the complexity of selection sort?

836

How do I remove a dll from windows 7?

851

What is fcfs?

1071

What is long term scheduler in operating system (os)?

1042

How can someone display singly linked list from first to last?

858

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

1022

What is the command can be run to remove all the rules in an iptable table?

1055

Why do we need algorithm?

883

How do you fix a blue screen?

1003

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