Question 1

A case construct must be ended by ____________________.

Accepted Answer

The answer of A case construct must be ended by...

Question 2

Most configuration files on Linux systems are delimited using ____ characters.

Accepted Answer

A) tab 
B) colon 
C) space 
D) semicolon

Question 3

What are shell variables? What are environment and user-defined variables?

Accepted Answer

The answer of What are shell variables? What are environment...

Question 4

If you have ____ permission to a shell script, you can execute the shell script like any other executable program on the system.

Accepted Answer

A) read 
B) write and read 
C) execute 
D) read and execute

Question 5

Match between columns
                        Premises: The normal output of a command.
Files that are typically used to create custom programs that perform administrative tasks on Linux systems.
The information that is processed by the command during execution.
Labels representing command input and output.
Any error messages generated by a command.
The first line in a shell script, which specifies the pathname to the shell that interprets the contents of the shell script.
A filter command that takes information from Standard Input and sends that information to a file, as well as to Standard Output.
Shell variables that are typically set by the system and contain information that the system and programs access regularly.
Constructs that alter the flow of a program based on whether a command in the program completed successfully or based on a decision that the user makes given a question posed by the program.

Accepted Answer

The Answer of environment variables and tee and stdin and is...

Question 6

You are limited to using one pipe | metacharacter on the command line to pipe information from one command to another command.

Accepted Answer

A) True 
 B)False

Question 7

Describe the && and || constructs. How and why are they used?

Accepted Answer

The answer of Describe the && and || constructs. How...

Question 8

You can use the sed command to remove unwanted lines of text.

Accepted Answer

A) True 
 B)False

Question 9

The ____ command can be used to replace characters in a file sent via Standard Input.

Accepted Answer

A) tr 
B) rt 
C) ts 
D) st

Question 10

The ____ environment file is always executed immediately after login for all users on the system, and sets most environment variables, such as HOME and PATH.

Accepted Answer

A) ~/.bash_profile 
B) ~/.bash_login 
C) /etc/profile 
D) ~/.profile

Question 11

The ____________________ command takes user input from Standard Input and places it in a variable specified by an argument.

Accepted Answer

The answer of The ____________________ command takes user input from...

Question 12

You can use the BASH shell to redirect Standard Output and Standard Error from the terminal screen to a file on the filesystem using the ____ shell metacharacter followed by the absolute or relative pathname of the file.

Accepted Answer

A) # 
B)  
D) |

Exam 8: Working With the Bash Shell