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 is a binary search tree? Write an algorithm and tell complexity?

ITC Indian Tobacco Company,

910

How will you sort the elements of array in descending order?

Wipro,

955

How would you sort words in a large file?

DELL,

906

Write a program for Sorting an Array. Which sorting will you prefer?

977

Can you explain the Virtual memory?

HPCL, Huawei,

1032

Can you distinguish between ArrayList and Array?

QuestPond,

1083

Program to remove duplicate elements in an array.

InterGraph,

1028

Explain the Stack

Tech Mahindra,

982

How would you implement two stacks using a single array?

TCS,

995

What happens if an array goes out-of-bounds?

TCS,

1087

Write a code for dynamic allocation of array.

iNautix,

1056

If you have to store one lakh objects, what will be a better option- a hash map or an array list?

DELL,

1214

Is Arraylist faster than Array? Why?

QuestPond,

1024

What is the difference between array list and vector list?

CGI,

910

Explain the Linked List

Tech Mahindra,

1153

Un-Answered Questions { Operating Systems }

Where is .exe located?

934

Explain about two major pieces in Windows operating structure?

Why do we use binary search?

919

Why do developers use md5 options on passwords?

895

Is linux older than windows?

896

What is a hard real time OS?

1191

Why does a file get corrupted?

949

Explain 32 bit application/OS vs 64 application/OS?

950

Which linux is best for laptop?

864

How do I run chkdsk on c drive?

887

Is orangeemu dll a virus?

1069

How many cmd commands are there?

1004

How do you check what drivers are installed?

916

How do I register a 32 bit ocx file in windows 10 64 bit?

792

Give a non-computer example of preemptive and non-preemptive scheduling?

1130

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