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 5853

What is Executive in Windows NT?

2 6072

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

2 6406

What level of security does Windows NT meets?

DCI,

2 7154

What is a binary semaphore? What is its use?

CDC, Maveric, Morgan Stanley,

7 36704

What is an idle thread?

1 5137

What is lock granularity?

IBM,

1 5250

what is disk interleaving? why is disk interleaving adopted?

IBM,

2 16749

How to connect oracle database from unix

Cap Gemini, IBM, Wirecard,

6 53426

What Command is used to make a directory?

IBM,

4 11534

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

IBM,

7 14756

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

IBM,

10 22047

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

Alcatel, IBM,

3 12459

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

IBM,

6 18293

What Command will remove a Directory in UNIX?

IBM,

8 21653

Un-Answered Questions { Operating Systems }

How does WinMerge compare?

887

What is the maximum length for any file name under linux?

957

What is the purpose of online help?

858

Is win32 a virus?

818

Should I use a registry cleaner windows 10?

912

List some applications of queue data structure.

923

How do I get rid of win32 virus?

797

How do I know if my ssd has bad sectors?

972

What is root partition?

1047

Can I provide array size dynamically?

935

How can I tell if my windows 10 is 32 or 64 bit?

772

What is the difference between semaphore and mutex?

908

How do I do an advanced search in windows 10?

772

Which popular office suite is available free for both microsoft and linux?

973

What is a sector in windows operating system?

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