Learn Bash Scripting by Building Five Programs - Build Five Programs

Tell us what’s happening:
Describe your issue in detail here.
Cant open tutorial when starting the course
Your code so far

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/111.0

Challenge: Learn Bash Scripting by Building Five Programs - Build Five Programs

Link to the challenge: