Welcome to the Unix Shell MCQs Page

Dive deep into the fascinating world of Unix Shell with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Unix Shell, a crucial aspect of UNIX. In this section, you will encounter a diverse range of MCQs that cover various aspects of Unix Shell, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within UNIX.

Check out the MCQs below to embark on an enriching journey through Unix Shell. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UNIX.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Unix Shell. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Unix Shell MCQs | Page 17 of 18

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Q161.

cat/dev/tty

Throws garbage onto the terminal 1

Just echoes what you type line by line

Terminates if one types control at the beginning of a line

Both (b) & (c)

Discuss

Answer: (d).Both (b) & (c)

Q162.

The header files used in C programs arc usually found in

/bin/include

usr/bin/include

/dev/ include

iusr/include

Discuss

Answer: (a)./bin/include

Q163.

The command pwd displays /x/y. After executing the command chmod u -x. which of the following commands will not work?

pwd

chmod u+x

All of the above

Discuss

Answer: (d).All of the above

Q164.

A C program should be compiled with -g option (like cc -g x . c) to use

proof

make

lprof

sdb

Discuss

Answer: (d).sdb

Q165.

No shell script can take input from

stdin

the output of the previously executed command redirected to it

the shell holds the script

none of the above

Discuss

Answer: (d).none of the above

Q166.

The command cc x.c && a.out

is equivalent to cc x.c ; a . out

means execute a . out only when x . c compiles successfully

means execute a . out only if cc x .c returns a value 0 to the system

Both (b) & (c)

Discuss

Answer: (d).Both (b) & (c)

Q167.

Which of the following shell script's looping features does not recognize the break command?

while

until

for

None of the above

Discuss

Answer: (d).None of the above

Q168.

Shell script

Needs no compilation

Enhances portability

Is not good in arithmetic operations

All of these

Discuss

Answer: (d).All of these

Q169.

The desirable features of a new shell script you write is that

It should take its input from stdin

It does some cleaning up operation, on termination

It should not accept command line arguments

Both (a) & (b)

Discuss

Answer: (d).Both (a) & (b)

Q170.

Which of the following shell commands displays the contents of each of the command line arguments one by one

cat $•

cat "$@"

Both (a) & (b)

cat "$•"

Discuss

Answer: (c).Both (a) & (b)

Page 17 of 18

Welcome to the Unix Shell MCQs Page

Unix Shell MCQs | Page 17 of 18

Explore more Topics under UNIX

Introduction to UNIX

Unix File System

Vi Editor

Jobs and Processes

Filters and Regular Expressions

Shell Programming

Basic System Administration

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