Ethical Hacking Kali Linux Part 3

What is the correct shebang line to start a Bash script?

• #!/usr/bin/python

• #!/bin/bash

• #!/bin/sh

• #!/bash

What is the correct way to define a variable in Bash?

• name = "Alex"

• name: Alex

• name="Alex"

• $name = Alex

What will the following script output?

x=5

echo $x

• $x

• x

• 5

• x=5

Which conditional statement is used for multiple conditions?

• elseif

• elif

• else if

• ifelse

What does the if block below check?

if [ $num -eq 10 ]; then

echo "Ten"

fi

• If num is less than 10

• If num is equal to 10

• If num is a string

• If num is undefined

Which loop executes a set of commands for a given range?

• until loop

• while loop

• for loop

• case loop

What is the output of the script?

for i in {1..3}; do

echo $i

done

• 123

• 1 2 3

• 1 2 3 on one line

• 1 (newline) 2 (newline) 3 (newline)

How do you define a function in Bash?
function greet() { echo "Hi"; }

• function greet[]

• greet = function()

• function greet() { echo "Hi"; }

• define greet() => {}

Which command makes a script executable?

• bash script.sh

• chmod 777 script.sh

• chmod +x script.sh

• exec script.sh

What does $1 refer to in a Bash script?

• The number of variables

• The script name

• The script line number

• The first argument passed to the script