UNIX MCQ Questions for Exam and Interview Preparation

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Each section contains 100 MCQs on Unix .

Which of the following commands can be used to replace 'professor' with 'director' throughout the whole file?

A) 1,$s/professor/director/g B) %s/professor/director/g C) 1,$s/professor/director D) 1,$s/professor/director/g and %s/professor/director/g

Discuss

Answer & Solution

Answer: Option D

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

Which option is used for selecting repeated entries?

A) -d B) -c C) -u D) -a

Discuss

Answer & Solution

Answer: Option A

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

Where is the exit status of a command stored?

A) $0 B) $> C) $1 D) $?

Discuss

Answer & Solution

Answer: Option D

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

Which of the following command is used for viewing the attributes of contents of an archive?

A) tar -tvf abc.tar B) tar -cvf abc.tar C) tar -xvf abc.tar D) tar -t abc.tar

Discuss

Answer & Solution

Answer: Option A

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

Which of the following is not a subset of BRE (basic regular expression) character subset?

A) * B) .* C) ^$ D) ch+

Discuss

Answer & Solution

Answer: Option D

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

There are . . . . . . . . distinct phases of a process.

A) 2 B) 5 C) 4 D) 3

Discuss

Answer & Solution

Answer: Option D

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

Which data structure is used to store information about a process?

A) process control block (pcb) B) array C) queue D) program control block

Discuss

Answer & Solution

Answer: Option A

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

POSIX shell provides job control facilities like bg or fg.

A) True B) False

Discuss

Answer & Solution

Answer: Option B

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

The action that a signal takes on receipt of a signal is called . . . . . . . .

A) reposition B) disposition C) composition D) event

Discuss

Answer & Solution

Answer: Option B

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

To repeat a string, perl uses . . . . . . . . operator.

A) / B) . C) x D) \\

Discuss

Answer & Solution

Answer: Option C

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

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UNIX MCQ Questions for Exam and Interview Preparation | Computer Science