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 5744

What is Executive in Windows NT?

2 5921

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

2 6256

What level of security does Windows NT meets?

DCI,

2 7015

What is a binary semaphore? What is its use?

CDC, Maveric, Morgan Stanley,

7 36369

What is an idle thread?

1 5051

What is lock granularity?

IBM,

1 5137

what is disk interleaving? why is disk interleaving adopted?

IBM,

2 16562

How to connect oracle database from unix

Cap Gemini, IBM, Wirecard,

6 53148

What Command is used to make a directory?

IBM,

4 11320

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

IBM,

7 14478

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

IBM,

10 21564

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

Alcatel, IBM,

3 12287

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

IBM,

6 18020

What Command will remove a Directory in UNIX?

IBM,

8 21285

Un-Answered Questions { Operating Systems }

What is a boot-strap program?

1094

What is a chromebook good for?

892

How do I register a dll file on windows 10 64 bit?

718

What is rundll?

853

How long should sfc scannow take?

1093

Explain implementation of traversal of a binary tree.

984

What is disk block allocation in unix?

885

What is the login process to the aix system?

How do I find a file in linux terminal?

841

Is mac similar to linux?

840

How do I uninstall windows operating system?

801

Explain the trda?

945

Where can I find bash in linux?

952

How does the kernel object outlive the process that created it?

2225

Is there still a free version of windows 10?

801

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