--description--

To pass the quiz, you must correctly answer at least 18 of the 20 questions below.

--quizzes--

--quiz--

--question--

--text--

What is a correct shebang line in bash script?

--distractors--

!#/bin/bash

/#!bin/bash

/#!/bin/bash

--answer--

#!/bin/bash

--question--

--text--

Which command would define MY_VAR and print it to the console?

--distractors--

MY_VAR=10; echo MY_VAR

$MY_VAR=10; echo MY_VAR

$MY_VAR=10; echo $MY_VAR

--answer--

MY_VAR=10; echo $MY_VAR

--question--

--text--

Which command is used to view all variables in the shell?

--distractors--

declare -n env

declare -p env

declare -x bashrc

--answer--

declare -p

--question--

--text--

Which command would run a script.sh file?

--distractors--

script.sh bash

zsh ./script.sh

./sh script.sh

--answer--

./script.sh

--question--

--text--

How to view the manual for the less command in bash?

--distractors--

less man

less --man

man --less

--answer--

man less

--question--

--text--

How would you call the print_arguments function to print a and b to the terminal?

print_arguments() {
  echo "Argument 1: $1"
  echo "Argument 2: $2"
}

--distractors--

print_arguments("a", "b")

print_arguments(a, b)

print_arguments{a, b}

--answer--

print_arguments "a" "b"

--question--

--text--

How do you initialize an array in bash?

--distractors--

ARR=["item1" "item2" "item3"]

ARR=[["item1" "item2" "item3"]]

ARR={"item1" "item2" "item3"}

--answer--

ARR=("item1" "item2" "item3")

--question--

--text--

How do you print the third value of an array in bash?

--distractors--

echo ${ARR[3]}

echo $ARR[2]

echo $ARR[3]

--answer--

echo ${ARR[2]}

--question--

--text--

How do you assign user input to a variable in bash?

--distractors--

input MY_VAR

cin MY_VAR

get MY_VAR

--answer--

read MY_VAR

--question--

--text--

What will be the permission flags for the 1.txt file after executing the command chmod 765 1.txt?

--distractors--

rwxrwxrwx

rwxr-xrw-

r-xrw-rwx

--answer--

rwxrw-r-x

--question--

--text--

What keyword does the statement if ... then ... end with?

--distractors--

end

done

stop

--answer--

fi

--question--

--text--

What keyword does the statement for ... do ... end with?

--distractors--

end

od

stop

--answer--

done

--question--

--text--

How do you create a comment in bash?

--distractors--

// comment

!comment

/* comment

--answer--

# comment

--question--

--text--

What line should you add to the beginning of this snippet to create a for loop?

do
    echo $i
done

--distractors--

for ( int i = 0; i < 10; i++ )

for (( int i = 0; i < 10; i++ ))

for (( let i = 0; i < 10; i++ ))

--answer--

for (( i = 0; i < 10; i++ ))

--question--

--text--

How would you assign the result of the sum of variables A and B to the variable C?

--distractors--

C=$A + $B

C=$( A + B )

$C=$(( $A + $B ))

--answer--

C=$(( A + B ))

--question--

--text--

Which command is used to create a new file?

--distractors--

newfile

echo new_file

fileargs

--answer--

touch

--question--

--text--

What does the command echo $? do?

--distractors--

Prints the value of the last used variable.

Prints the value of the last used arithmetic operation.

Prints the value of the last executed condition.

--answer--

Prints the exit code of the last executed command.

--question--

--text--

What advantage does Bash provide when testing parts of a script?

--distractors--

Bash scripts must be compiled before testing

You can only test scripts using an IDE

Bash automatically generates test cases

--answer--

Script sections can be pasted directly into the terminal for testing

--question--

--text--

What types of loops exist in bash?

--distractors--

for

for, while

for, while, until, forEach

--answer--

for, while, until

--question--

--text--

How do you print all values of an array in bash?

--distractors--

echo $ARR[@]

echo {ARR[@]}

echo ${ARR[$@]}

--answer--

echo ${ARR[@]}