bash command curl: a tool to transfer data from or to a server

[taitruong]

Goal: write a getting started manual, create challenge

https://news.ycombinator.com/item?id=20811829
https://curl.haxx.se/docs/manpage.html

General bash references:

• Advanced Bash-Scripting Guide
• Bash Guide for Beginners

Research for other useful resources, read and learn, write down you findings, create a new challenge.