5 not works

echo “Welcome, Jane Doe”

alias pd=“pwd”

alias hy=“history”

alias ll=“ls -la”

alias export USER=“Jane Doe”

export USER=“Jenny”

                   ctril o then enter then ctrl x clear why not let me pass?

Please post a screenshot of your whole web browser so that we can see everything that you are seeing.

try this
nano ~/.bash_profile
source not working