Assuming var1=10 (var1 is a variable), which of the following will NOT show var1=10 on the screen?

Question 1 options:

	echo var1=$var1
	echo 'var1=$var1'
	echo "var1=$var1"
	printf var1=$var1

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Question 2 (0.1 points)

Which character is used to continue a command to the next line?

Question 2 options:

	\
	/
	+
	>

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Question 3 (0.1 points)

Which command is used to accept user input from keyboard?

Question 3 options:

	read
	get
	accept
	input

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Question 4 (0.1 points)

Which of the following about command alias is NOT correct?

Question 4 options:

	An alias can be removed
	alias is a Shell Built-in command
	alias name can be the same as the original command name
	The original command cannot be reached until the alias is removed

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Question 5 (0.1 points)

Which of the following is a NOT valid shell for Linux

Question 5 options:

	bash
	csh
	ash
	sh

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Question 6 (0.1 points)

Which of the following is not a Shell Built-in?

Question 6 options:

	cd
	dir
	type
	export

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Question 7 (0.2 points)

Which of the following is NOT the correct way to get the number of all subdirectories?

Question 7 options:

	ls -al | grep d | wc -l
	ls -Fa | grep / | wc-l
	ls */ .*/ -d | wc -l
	ls -la | grep ^d | wc -l

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Question 8 (0.2 points)

Which of the following use of channel reroute symbol (syntax) is incorrect?

Question 8 options:

	cat
	cat 2> file1
	cat >> file1
	read