cURL is one the most important tool for web developer in my opinion, specially if you are a backend developer, because using curl you can analyze data transfer from various of protocol on the command line.
To install curl on xubuntu is easy, simply run this command and everything will be ok
sudo apt-get install curl
You can try run curl like this (just example)
Have fun with curl!
curl localhost
curl http://www.google.com
Have fun with curl!
