cURL is a command line tool for processing URLs.

Often used in data manipulation and transfers.

curl will retrieve the resource passed as an argument and print the contents to standard output, or to the file passed to the -o option.

The resource can be in the form of an http://, https: or ftp: style URL.

Cheat Sheet

Check gmail

Check HTTP Headers

Get a FTP directory listing

Get a HTTP Basic authenticated page

Perform imap queries using Curl

Post to a page

Read a HTTP URL

Read a HTTPS URL

Read an IP address

Reading a URL with variable GET parameters

Read a web page and store it in a file

Referer & User Agent

Track Web Redirects

Upload a file with FTP