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 are rings in Windows NT?

1 5858

What is Executive in Windows NT?

2 6084

What are the sub-components of I/O manager in Windows NT?

2 6417

What level of security does Windows NT meets?

DCI,

2 7174

What is a binary semaphore? What is its use?

CDC, Maveric, Morgan Stanley,

7 36743

What is an idle thread?

1 5142

What is lock granularity?

IBM,

1 5260

what is disk interleaving? why is disk interleaving adopted?

IBM,

2 16764

How to connect oracle database from unix

Cap Gemini, IBM, Wirecard,

6 53451

What Command is used to make a directory?

IBM,

4 11556

Give Command that will move a single file called "unix.txt"

IBM,

7 14791

Give command that will make the file "run.sh" executable?

IBM,

10 22102

Give Command that will change the name of a directly from paypal to eBay

Alcatel, IBM,

3 12476

How does a user get the current date, time in UNIX?

IBM,

6 18327

What Command will remove a Directory in UNIX?

IBM,

8 21708

Un-Answered Questions { Operating Systems }

Do you know how to find if linked list has loop?

1066

Will there ever be a windows 11?

849

How to know/find 32 or 64 bit in windows xp?

867

How to pass in data structure exam?

1011

How can you correct these errors?

986

Can formatting a hard drive damage it?

950

Why is 64 bit better?

1001

Explain a path in unix.

957

What is the advantage of ssd over hdd?

946

how to unlock user account?

How much ram can 64 bit windows 10 use?

866

Explain pre-order and in-order tree traversal.

947

How do I open a text file in cmd?

1023

What is disk cleanup used for?

1005

Will I lose windows 10 if I factory restore?

848

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