Linux MCQ Questions & Answers

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Each section contains 100 MCQs on Linux .

Libraries can be linked with . . . . . . . . to create executables.

A) other libraries B) other object files C) both other libraries and object files D) none of the mentioned

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is a shell in UNIX?

A) a program through which users can issue commands to UNIX B) a window management system C) the login screen D) the thing that rides on the back of a turtle in UNIX

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which command will delete all the blank lines in file old.txt?

A) sed '/d' old.txt B) sed '/^/d' old.txt C) sed '/^$/d' old.txt D) sed '/^*/d' old.txt

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

How do you remove duplicate lines from the file foo using uniq?

A) sort foo | uniq –u B) sort -u foo | uniq -d C) sort foo | uniq –c D) sort foo | uniq –I

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is /proc/[PID]/cwd?

A) symbolic link to current directory of the process B) regular file containing the information about the current status of the process C) directory containing various sub-directories D) none of the mentioned

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which variable is used to display number of arguments specified in command line

A) $0 B) $# C) $* D) $?

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Bootstrapping is also known as

A) Quick boot B) Cold boot C) Hot boot D) Fast boot

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

If make command is executed as "make -j 2", then

A) two jobs will run simultaneously B) only two will be executed C) it will give an error D) none of the mentioned

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

If a program executing in background attempts to read from STDIN

A) It is terminated B) It's execution is suspended C) STDIN is made available to it D) None of the mentioned

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which commands will give you information about how much disk space each file in the current directory uses?

A) ls -l B) ls -la C) du D) ls -a

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Linux MCQ Questions & Answers | Computer Science