Chapter 05 Exam

To execute the same command as previously executed five commands ago, you would type:

!-5

HOME is an example of _________.

An environment variable

The most common shell used for Linux distributions is the ________ shell.

Bash

The acronym CLI stands for:

Command Line Interface

A pair of double quotes (" ) will prevent the shell from interpreting any metacharacter. True or False?

False

The double ampersand characters (&& ) are used to separate commands to be executed conditionally, where if the command to the left of the ampersands fails, then the command to the right of the ampersands will be executed. True or False?

False

The echo command:

Is used to output text to the console

Which environment variable contains a list of directories that is searched for commands to execute?

PATH

A pair of single quotes ( ' ) will prevent the shell from interpreting any metacharacter. True or False?

True

The semicolon (;) can be used to separate multiple commands to be executed in order. True or False?

True

The shell program interprets the commands you type into the terminal into instructions that the Linux operating system can execute. True or False?

True

Using a pair of back quotes ( ` ) will cause a shell to execute the back-quoted text as a command and substitute the output back into the original command. True or False?

True

What one character treats the character that follows it as if it was surrounded by single quotes?

\

To be able to output messages to the screen, use the _______ command:

echo

The _______ command will print a list of the commands that you've previously executed.

history

Select the command that can report the location of a command:

which