Multiple choice technology operating systems What is the output? #!/bin/sh msg1="one" Msg2="$msg1 two" Msg3="$msg2 three" echo $msg3 “””one” two” three” “one two three” one two three “$msg2 three” Reveal answer Fill a bubble to check yourself C Correct answer Explanation The shell script sets msg1="one", msg2="one two", and msg3="one two three" through variable expansion. When echoed, $msg3 outputs the concatenated string 'one two three' without quotes. The key is understanding how shell variable expansion works.