Welcome to the Shell Programming MCQs Page

Dive deep into the fascinating world of Shell Programming with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Shell Programming, a crucial aspect of UNIX. In this section, you will encounter a diverse range of MCQs that cover various aspects of Shell Programming, 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 Shell Programming. 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 Shell Programming. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Shell Programming MCQs | Page 14 of 16

Explore more Topics under UNIX

01

Introduction to UNIX

02

Unix File System

03

Vi Editor

04

Unix Shell

05

Jobs and Processes

06

Filters and Regular Expressions

07

Basic System Administration

Q131.

Which command is used for acquiring superuser status?

admn

super

Discuss

Answer: (b).su

Q132.

Which of the following is used for creating user’s environment?

su –

-su

su – –

Discuss

Answer: (b).su –

Q133.

The main reasons for the success of pipes are

The availability of many filter programs

UNIX treats devices as files

It provides a 2-way communication channel

Both (a) and (b)

Discuss

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

Q134.

Which of the following are not filter programs?

date

sort

cat

grep

Discuss

Answer: (a).date

Q135.

Redirection in pipes can be achieved by using

tee

lpr

Discuss

Answer: (c).tee

Q136.

Choose the correct statement.

The symbols > and | are both processed by shell

> can be used to direct output to a named file

| can be used to direct output to programs

All of above

Discuss

Answer: (d).All of above

Q137.

The command who sort - file1 > file2

Results in an error

Sorts the contents of file1 and puts it in file2

Both (a) and (b)

None of the above

Discuss

Answer: (d).None of the above

Q138.

If the command cat x is executed after successfully executing the command time sort filename > x, then

only the time details will be displayed

only the sorted contents of the file filename will be displayed

an error message will be displayed

None of the above

Discuss

Answer: (b).only the sorted contents of the file filename will be displayed

Q139.

If one exports a variable

Variables placed in the environment by a child process are not inherited by the parent process

It is passed to all its descendant processes

It dies when the shell that created it dies

All of these

Discuss

Answer: (d).All of these

Q140.

Profilers are

Tools that analyze the run time behavior of a program

Tools that check a C code for cross file consistency

Tools that keep track of evolving versions of a file

None of the above

Discuss

Answer: (a).Tools that analyze the run time behavior of a program

Page 14 of 16

Welcome to the Shell Programming MCQs Page

Shell Programming MCQs | Page 14 of 16

Explore more Topics under UNIX

Introduction to UNIX

Unix File System

Vi Editor

Unix Shell

Jobs and Processes

Filters and Regular Expressions

Basic System Administration

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