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

You wish to print the file vacations with 60 lines to a page. Which of the following commands will accomplish this?

890

What would be the result of the command paste -s dog cat?

946

What command do you type to find help about the command who?

978

You issue the command head * what would the resulting output be?

969

Explain trap command; shift command, getopts command of linux?

1070

What are two functions the move mv command can carry out?

1081

Which of the commands will replace all occurrences of the word rate with the word speed in the file racing?

1097

What command should you use to check the number of files and disk space used and each user’s defined quotas?

1074

Which of the following tasks cannot be accomplished with the touch command?

937

What can you tell about the tar command?

1098

Explain getopts command of linux?

1136

You read an article that lists the following command: dd if=/dev/fdo bs=512 of=/new what does this accomplish?

1019

Explain trap command of linux?

1046

In order to improve your system’s security you decide to implement shadow passwords. What command should you use?

945

In order to display the last five commands you have entered using the fc command, you would type?

931

Un-Answered Questions { Operating Systems }

How do you assign an address to an element of a pointer array ?

988

Do threads count as cores?

875

Which ipc mechanism is fastest and how?

1164

State the difference between persistent and ephemeral data structure?

1662

What is windows wer reportqueue?

978

What is the use of SOCK_DGRAM Socket Type?

1400

Is null allowed in list?

854

What is the difference between micro kernel and macro kernel?

1207

Which is better sata or hdd?

899

Is arraylist heterogeneous?

878

What does swap mean in linux?

933

Explain about document formatting?

1073

How commands work in linux?

1039

Is windows firewall good?

804

What is flicker effect?

889

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