To be able to output messages to the screen, use the _______ command:
To be able to output messages to the screen, use the _______ command: type display echo print Explanation & Hint: To output messages to the screen, use the echo command.…
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.
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 semicolon (;) can be used to separate multiple commands to be executed in order.
The semicolon (;) can be used to separate multiple commands to be executed in order. True or False? True False Answers Explanation & Hint: The semicolon (;) is used in…
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.
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…
A pair of double quotes (“) will prevent the shell from interpreting any metacharacter.
A pair of double quotes (") will prevent the shell from interpreting any metacharacter. True or False? True False Answers Explanation & Hint: A pair of double quotes (") will…
A pair of single quotes (‘) will prevent the shell from interpreting any metacharacter.
A pair of single quotes (') will prevent the shell from interpreting any metacharacter. True or False? True False Answers Explanation & Hint: A pair of single quotes (') will…
Select the command that can report the location of a command:
Select the command that can report the location of a command: what which where Answers Explanation & Hint: The command that can report the location of a command in Linux…
Which environment variable contains a list of directories that is searched for commands to execute?
Which environment variable contains a list of directories that is searched for commands to execute? PS1 PS2 EXEC PATH Answers Explanation & Hint: The environment variable that contains a list…
What do you call a file containing a program written in a high-level programming language?
What do you call a file containing a program written in a high-level programming language? A machine file A code file A target file A source file Explanation & Hint:…
Select the true statements. (Select two answers)
Select the true statements. (Select two answers) Python is a good choice for creating and executing tests for applications Python 3 is backwards compatible with Python 2 Python is a good choice for low-level…