Questão 1
Questão
Select all the applications that provide access to the Command Line Interface (CLI)? (choose two)
Responda
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opera
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Virtual Terminal
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Terminal window
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firefox
Questão 2
Questão
Which environment variable contains a list of directories that is searched for commands to execute?
Questão 3
Questão
Select the command that can report the location of a command:
Questão 4
Questão
A pair of single quotes ( ‘ ) will prevent the shell from interpreting any metacharacter.True or False?
Questão 5
Questão
A pair of double quotes ( ” ) will prevent the shell from interpreting any metacharacter. True or False?
Questão 6
Questão
Using a pair of back quotes ( ` ) will cause a shell to execute the backquoted text as a command and substitute the output back into the original command. True or False?
Questão 7
Questão
Which of the following are glob characters? (choose three)
Questão 8
Questão
The semicolon “;” can be used to separate multiple commands to be executed in order. True or False?
Questão 9
Questão
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?
Questão 10
Questão
To be able to output messages to the screen, use the _______ command:
Questão 11
Questão
The _______ command will print a list of the commands that you’ve previously executed.
Questão 12
Questão
To execute the same command as previously executed five commands ago, you would type:
Questão 13
Questão
The shell program interprets the commands you type into the terminal, into instructions that the Linux operating system can execute. True or False?
Questão 14
Questão
The acronym CLI stands for:
Questão 15
Questão
Traditional UNIX command options used a single dash, like a; _______ command options use two dashes like –all.
Questão 16
Questão
The acronym GNU stands for:
Responda
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Gnu’s Not Unix
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Good News
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Unix Gnu’s Nearly Unix
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Go Next Unit
Questão 17
Questão
What one character treats the character that follows it as if it was surrounded by single quotes?
Questão 18
Questão
The main purpose of using glob characters is to be able to provide a command a list of filenames. True or False?