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

Explain the Array

Tech Mahindra,

1015

What is difference between an Array and ArrayList?

UGC Corporation,

1019

Tell me the difference between structure and array?

NIIT,

990

Questions related to arrays, such as given a 2 integer array, find the common elements.

Expedia,

935

An array having 100 elements have numbers from 1 to 99 randomly out of which any number is repeated. Find the repeated number in minimum time and space complexity.

1174

Explain the difference between a list and array.

TCS,

968

Check if duplicates exist in an array of N which has range 1 to N.

Expedia, GrapeCity,

972

What is the difference between Array and Array List ? Explain in brief with example.

MCN Solutions,

979

What is the procedure to insert into a sorted array?

Wipro,

988

Tell me the difference between the character array and a string.

Honeywell, HPCL, Huawei, Zomato,

965

What will happen if an array goes out of bounds?

Amdocs, HAL,

1099

Explain the Queue

Tech Mahindra,

1021

What are the various IPC mechanisms? Why is message passing costlier than semaphore?

Tech Mahindra,

1130

Give an example of circular linked list in windows system?

1003

How can i do partition of my hard disk in preloaded windows 7 in my system

MCN Solutions,

909

Un-Answered Questions { Operating Systems }

How much ram is needed for windows 10?

816

What are the basic commands for user management?

1037

Write the date and calendar command.

What is the difference between program files and program files x86?

956

What is data and data structure?

956

Why do we use dynamic arrays?

870

tell me something about linux commands.

1097

How many links are there in a binary tree of N nodes?

1026

Can you run file explorer as a different user?

942

Can I close my laptop while updating windows?

839

Why linux have no virus?

876

Can you turn on a computer with the keyboard?

886

What does replace the files in the destination mean?

1005

Is windows operating system free?

903

How will you suspend a running process and put it in the background?

1588

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