Hoofdstuk 4

Question 1

Select from the following commands those which can report the location of a command: - 4.8

Answer 1

which

Question 2

A pair of single quotes ( ‘ ) will prevent the shell from interpreting any metacharacter. - 4.11.2

Answer 2

True

Question 3

A pair of double quotes ( “ ) will prevent the shell from interpreting any metacharacter. 4.11.1

Answer 3

False

Question 4

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. - 4.11.4

Answer 4

True

Question 5

Which of the following are glob characters? 4.10

Answer 5

The asterisk “*”
The question mark “?”
The square brackets “[” and “]”

Question 6

The semicolon “;” can be used to separate multiple commands to be executed in order. 4.12.1

Answer 6

True

Question 7

To be able to output messages to the screen use the _______ command: 4.6

Answer 7

echo

Question 8

The _______ command will print a list of the commands that you’ve previously executed. - 4.5

Answer 8

history

Question 9

The acronym CLI stands for: - 4.3

Answer 9

Command Line Interface

Question 10

The acronym GNU stands for: 4.4.4

Answer 10

Gnu’s Not Unix

Question 11

Select all the applications that provide access to the Command Line Interface (CLI)? 4.4

Answer 11

Terminal window

Virtual Terminal

Question 12

Which environment variable contains a list of directories that is searched for commands to execute? 4.7

Answer 12

Path

Question 13

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. - 4.12.2

Answer 13

False

Question 14

The shell program is what interprets the commands you type into the terminal into instructions that the Linux Operating System can execute. 4.4.2

Answer 14

True

Question 15

What one character treats the character that follows it as if it was surrounded by single quotes? 4.11.3

Answer 15

\

Question 16

The main purpose of using glob characters is to be able to provide a command a list of filenames. - 4.10

Answer 16

True

Question 17

Traditional UNIX command options used a single dash, like -a; _______ command options use two dashes like –all. 4.4.4

Answer 17

GNU