Operating Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Windows (3805)
Linux (2255)
Unix (1304)
Solaris (894)

RTOS (43)
Bulnex (4)
Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

Discuss the mount and unmount system calls ?

1121

How the Kernel handles the copy on write bit of a page, when the bit is set?

984

What Happens when you execute a program?

1166

How the Kernel handles the fork() system call in traditional Unix and in the System V Unix, while swapping?

984

Is it possible to restrict incoming message?

1050

For which kind of fault the page is checked first?

1013

Name the data structure used to maintain file identification?

1048

What are the bits that support the demand paging?

1061

What is the main goal of the Memory Management?

1166

What are conditions for a machine to support Demand Paging?

1060

What is page fault? Its types?

997

Name two paging states for a page in memory?

1135

What are states that the page can be in, after causing a page fault?

1087

What are the phases of swapping a page from the memory?

1029

How can you get/set an environment variable from a program?

1023

Un-Answered Questions { Operating Systems }

How do I fix a windows 7 installation error?

957

How to excel in data structures and algorithms?

1013

What do you know about tcpdump?

What is nfs? What is its job?

945

Can games run on linux?

1003

How many cmd commands are there?

1068

What does grep v do?

1105

What is basic linux?

1000

Does it cost to upgrade from windows 7 to 10?

888

Is it safe to delete previous windows installation files?

870

What are the differences between ntfs4 and ntfs5?

1267

Explain a drawback of mvt?

1151

How do I enable plugins on firefox?

1155

What are the main features of unix?

1654

How much free space should I leave on my ssd?

929

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