curl headers example

Example 1: curl pass a header

curl -H "Accept-Charset: utf-8" -H "Content-Type: application/x-www-form-urlencoded" http://www.some-domain.com

Example 2: curl host header

curl --header "Host: example.com" http://127.0.0.1/

Example 3: curl check response headers

Just use '-ISs' flag options I:(only headers), sS:(silence and no errors) 
curl www.example -ISs