In this HackerRank Let’s Echo problem solution This is the equivalent of common output commands in most programming language (print or puts statements).
For Example:
echo “Greetings”
This outputs just one word “Greetings” (without the quotation marks).
echo “Greetings $USER, your current working directory is $PWD”
This picks up the values of the environment variables $USER and $PWD and displays something like:
Greetings prashantb1984, your current working directory is /home/prashantb1984
Write a bash script that prints the string “HELLO”.
Problem solution.
echo "HELLO"
Second solution.
echo HELLO