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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.

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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 9 of 16

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Q81.
The command "cd" (change directory) will return an exit status.

a.

1 for success

b.

1 for failure

c.

0 for failure

d.

none of the above

Discuss
Answer: (b).1 for failure
Q82.
What special variable has the exit status?

a.

$?

b.

$#

c.

!$

d.

$*

Discuss
Answer: (a).$?
Q83.
Another name for exit status is

a.

Exit code

b.

Return code

c.

Return value

d.

Quit value

Discuss
Answer: (c).Return value
Q84.
Passing information between programs is called.

a.

Program intertalk

b.

Program communication

c.

Interprocess communication

d.

Task communication

Discuss
Answer: (c).Interprocess communication
Q85.
A more complete means of communication between programs is called.

a.

Flags

b.

Chat

c.

Email

d.

Signals

Discuss
Answer: (d).Signals
Q86.
Which of the following is necessary in order to send a signal?

a.

There must be a way to send a signal.

b.

There must be a way to identify a signal.

c.

A signal trap must be available.

d.

All of the above

Discuss
Answer: (d).All of the above
Q87.
A signal trap is a set of instructions

a.

In the initiating process

b.

In between the communicating processes

c.

In the receiving process

d.

None of the above

Discuss
Answer: (c).In the receiving process
Q88.
Which special variable contains the PID of its own process?

a.

$job

b.

$$

c.

$

d.

$ps

Discuss
Answer: (b).$$
Q89.
Each signal name begins with the letters

a.

SIG

b.

SIGNAL

c.

SIGNAME

d.

None of the above

Discuss
Answer: (a).SIG
Q90.
Which signal is used to kill a running process?

a.

Signal 2

b.

Signal 9

c.

Signal 15

d.

Signal 1

Discuss
Answer: (b).Signal 9
Page 9 of 16

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