Unix / Linux Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Unix Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Choose the odd one out.

Answer : D

Explanation

Kernel is the core part of the OS and is odd one the rest are popular shells.

Q 2 - She-bang line in a shell script begins with__

D - None of the above.

Answer : B

Explanation

It tell the system to use which shell for executing the script file.

Q 3 - Choose the option to remove write permission for group & others for a file a.txt.

A - Select disable write for group and others where file=a.txt

B - chmod go-w a.txt

C - chmod w-go a.txt

D - chmod go=r-x a.txt

Answer : B

Explanation

Q 4 - Which mail command can be used to save the mail onto a file?

Answer : A

Explanation

Q 5 - Per user configuration setting are found in the following file of users home directory.

Answer : B

Explanation

Aliases, imported environment variables, etc are part of the configuration settings.

Q 6 - How you list only hidden files?

A - ls la | grep "^."

B - ls l | grep "^."

D - None of the above.

Answer : A

Explanation

Q 7 - Switch for ls to view inode number using command ls __

Answer : A

Explanation

Q 8 - Which command can be used to display file contents in octal?

Answer : A

Explanation

od full form is octal dump.

Q 9 - __ can talk to the kernel.

B - Shell script

C - System calls

D - System instruction.

Answer : C

Explanation

Q 10 - Choose the example for block special file

B - Serial modem

C - Console terminal

D - Virtual terminal

Answer : A

Explanation

unix_questions_answers.htm

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