REAL 4 NO EL ANTERIOR FAKE

Select all the applications that provide access to the Command Line Interface (CLI)?

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

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

A pair of single quotes ( ‘ ) will prevent the shell from interpreting any metacharacter.

A pair of double quotes ( ” ) will prevent the shell from interpreting any metacharacter.

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.

Which of the following are glob characters?

The semicolon “;” can be used to separate multiple commands to be executed in order.

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.

To be able to output messages to the screen, use the [blank_start]echo[blank_end] command:

The [blank_start]history[blank_end] command will print a list of the commands that you’ve previously executed.

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

The shell program interprets the commands you type into the terminal, into instructions that the Linux operating system can execute.

The acronym CLI stands for:

Traditional UNIX command options used a single dash, like -a; [blank_start]GNU[blank_end] command options use two dashes like –all.

The acronym GNU stands for:

The main purpose of using glob characters is to be able to provide a command a list of filenames.

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