adplus-dvertising

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.

frame-decoration

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 18 of 18

Explore more Topics under UNIX

Q171.
The disadvantage of a pipe is that

a.

It is a one way communication channel

b.

It dies along with the process that created it

c.

It can't be shared by unrelated processes

d.

All of these

Discuss
Answer: (d).All of these
Q172.
The state of signals are

a.

preserved across a fork call

b.

not preserved across an exec call

c.

preserved across an exec call

d.

Both (a) & (b)

Discuss
Answer: (d).Both (a) & (b)
Q173.
Which of the following options for the shell command test should be followed by the file descriptor?

a.

r

b.

d

c.

The data type of all fields in all file

d.

s

Discuss
Answer: (c).The data type of all fields in all file
Q174.
Which of the following displays the exit status of the last executed command?

a.

echo $4

b.

echo $$

c.

echo $?

d.

echo $!

Discuss
Answer: (c).echo $?
Q175.
Which of the following file names cannot be displayed if la ls* is run?

a.

.x

b.

?x

c.

Both (a) & (b)

d.

hidden

Discuss
Answer: (c).Both (a) & (b)
Q176.
Which of the following initiates the sequence of events that ultimately allows a user to login?

a.

clri

b.

sync

c.

login

d.

init

Discuss
Answer: (d).init
Q177.
getc (stdin)

a.

results in run time error

b.

results in syntax error

c.

is equivalent to get char ( )

d.

none of the above

Discuss
Answer: (c).is equivalent to get char ( )
Q178.
Which of the following is not the work of a C-preprocessor?

a.

Macro expansion

b.

File inclusion

c.

Conditional compilation

d.

None of the above

Discuss
Answer: (d).None of the above
Q179.
Choose the correct statement.

a.

To read successive characters from an open file . getchar and scan f can be used interchangeably

b.

To read successive characters from an open file. getchar and read can be used interchangeably

c.

The read system call reads from the buffer

d.

None of the above

Discuss
Answer: (a).To read successive characters from an open file . getchar and scan f can be used interchangeably
Page 18 of 18

Suggested Topics

Are you eager to expand your knowledge beyond UNIX? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Digital Communication

Master the basics of electronic communication with our Digital Communication MCQs....

Systems Programming

Decode low-level programming with our Systems Programming MCQs. These questions delve...

Visual Basic

Enhance your knowledge of Microsoft's event-driven programming language with our...

Neural Networks

Dive into the world of Artificial Intelligence with our Neural Networks MCQs. Uncover...

Computer Architecture

Unveil the science behind computer design with our Computer Architecture MCQs. Topics...

HTML

Start your journey in web development with our HTML MCQs. Learn the building blocks...

Python

Dive into one of the most popular languages with our Python MCQs. Understand...

SQL Server

Master Microsoft's database server with our SQL Server MCQs. Topics cover database...

MongoDB

Learn the leading NoSQL database with our MongoDB MCQs. Understand everything from...