Linux Shell Scripting Cookbook - Third Edition

Posting to a web page and reading the response

POST and GET are two types of request in HTTP to send information to or retrieve information from a website. In a GET request, we send parameters (name-value pairs) through the web page URL itself. The POST command places the key/value pairs in the message body instead of the URL. POST is commonly used when submitting long forms or to conceal information submitted from a casual glance.