Linux curl

Download File

To download a file using curl add the -O option.

 curl -O http://example.com/file.txt

To post data with headers

-v verbose
-i include header information on output
-H extra header information
-X type of request
-d data

 curl -v -i -H "Accept: application/json" -H "Content-Type: application/json" -X POST http://example.com/item/1 -d '{text:""},{data:""}'