Question 1

Users can create their own custom variables, called shell variables. _________________________

Accepted Answer

A) True 
 B)False  False

Question 2

In a decision construct, you can have an unlimited number of if then statements. _________________________

Accepted Answer

A) True 
 B)False  False

Question 3

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

Accepted Answer

A BASH shell has several variables in memory at any one time. Recall that a variable is simply a reserved portion of memory containing information that might be accessed. Most variables in the shell are referred to as environment variables because they are typically set by the system and contain information that the system and programs access regularly. Users can also create their own custom variables. These variables are called user-defined variables. In addition to these two types of variables, special variables are available that are useful when executing commands and creating new files and directories.

Question 4

The ____ escape sequence represents a form feed.

Accepted Answer

A)  
 
B)  \f 
C)  /f 
D)  /n 
A)  
 
B)  \f 
C)  /f 
D)  /n

Question 5

The ____ command could be used to view the contents of the environment variable that represents the BASH shell prompt.

Accepted Answer

A)  ls $PWD 
B)  echo #PWD 
C)  echo $PS1 
D)  ls #PS1 
A)  ls $PWD 
B)  echo #PWD 
C)  echo $PS1 
D)  ls #PS1

Question 6

The ____ command counts the number of lines, words, and characters in a file.

Accepted Answer

A)  pr 
B)  nl 
C)  tr 
D)  wc 
A)  pr 
B)  nl 
C)  tr 
D)  wc

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

The ____________________ environment variable contains a list of directories to search for executable programs.

Accepted Answer

The answer of The ____________________ environment variable contains a list...

Question 9

A case construct must be ended by ____________________.

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

Match each term with the correct statement below.
-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

A) hashpling 
B) tee 
C) environment variables 
D) stdin 
E) stderr
F)decision construct
G)shell scripts
H)stdout
I)file descriptors 
A) hashpling 
B) tee 
C) environment variables 
D) stdin 
E) stderr
F)decision construct
G)shell scripts
H)stdout
I)file descriptors

Question 12

The test statement ____ would be used to determine if A is numerically greater than B.

Accepted Answer

A)  [ A -g B ] 
B)  [ A -ge B ] 
C)  [ A -gt B ] 
D)  [ A +eq B ] 
A)  [ A -g B ] 
B)  [ A -ge B ] 
C)  [ A -gt B ] 
D)  [ A +eq B ]

Question 13

Given the syntax command && command, the command on the left of the && construct is executed only if the command on the right of the && construct completed successfully.

Accepted Answer

A) True 
 B)False

Question 14

The ____ command can be used to extract, manipulate, and format text using pattern-action statements.

Accepted Answer

A)  sed 
B)  grep 
C)  awk 
D)  nl 
A)  sed 
B)  grep 
C)  awk 
D)  nl

Question 15

Match each term with the correct statement below.
-The information that is processed by the command during execution.

Accepted Answer

A) hashpling 
B) tee 
C) environment variables 
D) stdin 
E) stderr
F)decision construct
G)shell scripts
H)stdout
I)file descriptors 
A) hashpling 
B) tee 
C) environment variables 
D) stdin 
E) stderr
F)decision construct
G)shell scripts
H)stdout
I)file descriptors

Question 16

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

Question 17

What is a decision construct? What is the most common type of decision construct, and what is the syntax for using it?

Accepted Answer

Decision constructs are the most common

Question 18

What are shell scripts? Why and how are they executed?

Accepted Answer

The BASH shell has the ability to execut

Question 19

Describe the while construct. How and why is it used?

Accepted Answer

The while construct is a common loop con

Question 20

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

Users can create their own custom variables, called shell variables. _________________________

In a decision construct, you can have an unlimited number of if then statements. _________________________

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

The ____ escape sequence represents a form feed.

The ____ command could be used to view the contents of the environment variable that represents the BASH shell prompt.

The ____ command counts the number of lines, words, and characters in a file.

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

The ____________________ environment variable contains a list of directories to search for executable programs.

A case construct must be ended by ____________________.

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

Match each term with the correct statement below. -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.

The test statement ____ would be used to determine if A is numerically greater than B.

Given the syntax command && command, the command on the left of the && construct is executed only if the command on the right of the && construct completed successfully.

The ____ command can be used to extract, manipulate, and format text using pattern-action statements.

Match each term with the correct statement below. -The information that is processed by the command during execution.

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

What is a decision construct? What is the most common type of decision construct, and what is the syntax for using it?

What are shell scripts? Why and how are they executed?

Describe the while construct. How and why is it used?

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

Introduction to Linux

Linux Installation and Usage

Exploring Linux Filesystems

Linux Filesystem Management

Linux Filesystem Administration

Advanced Installation

System Initialization and X Windows

Managing Linux Processes

Common Administrative Tasks

Compression, System Backup, and Software Installation

Network Configuration

Configuring Network Services

Troubleshooting, Performance, and Security

Filters

Exam 7: Working With the Bash Shell

Users can create their own custom variables, called shell variables. _________________________

In a decision construct, you can have an unlimited number of if then statements. _________________________

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

The ____ escape sequence represents a form feed.

The ____ command could be used to view the contents of the environment variable that represents the BASH shell prompt.

The ____ command counts the number of lines, words, and characters in a file.

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

The ____________________ environment variable contains a list of directories to search for executable programs.

A case construct must be ended by ____________________.

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

Match each term with the correct statement below. -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.

The test statement ____ would be used to determine if A is numerically greater than B.

Given the syntax command && command, the command on the left of the && construct is executed only if the command on the right of the && construct completed successfully.

The ____ command can be used to extract, manipulate, and format text using pattern-action statements.

Match each term with the correct statement below. -The information that is processed by the command during execution.

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

What is a decision construct? What is the most common type of decision construct, and what is the syntax for using it?

What are shell scripts? Why and how are they executed?

Describe the while construct. How and why is it used?

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

Introduction to Linux

Linux Installation and Usage

Exploring Linux Filesystems

Linux Filesystem Management

Linux Filesystem Administration

Advanced Installation

System Initialization and X Windows

Managing Linux Processes

Common Administrative Tasks

Compression, System Backup, and Software Installation

Network Configuration

Configuring Network Services

Troubleshooting, Performance, and Security

Filters