Check this out! Impress girls with your BASH skills. Be the coolest kid on the block. Get invited to all the parties. Get everyone to buy you beer, etc...
Here are some cool tricks to use in BASH.
Get an input value from a user:
my_name=$(read -p "What is your name? "; echo "${REPLY}")
Get a secret input value from a user:
my_password=$(read -sp "Enter password: "; echo "${REPLY}")
and more...