$.$

Question $3$

A Linux machine has a file named "types$\_$of$\_$fish.txt$".$ Which of the following commands can be used to append the word "trout" to the file contents?

$1$ point

echo trout $2>$ types$\_$of$\_$fish.txt

echo trout $>>$ types$\_$of$\_$fish.txt

echo trout $<$ types$\_$of$\_$fish.txt

echo trout $>$ types$\_$of$\_$fish.txt

$4.$

Question $4$

Using a linux machine, which of the