What are some common curl commands and their uses?

What are some common curl commands and their uses?

Curl is a command-line tool used to transfer data to or from a server. Common commands include:

1. curl http://example.com - Fetches the content of the URL.
2. curl -O http://example.com/file.txt - Downloads a file from the URL.
3. curl -I http://example.com - Retrieves the HTTP headers from the server.

Can you explain what the -X option does?

The -X option allows you to specify a custom request method to use when communicating with the HTTP server. For example, curl -X POST http://example.com sends a POST request.

What does the -d option do?

The -d option is used to send data in a POST request. For example, curl -d 'name=value' http://example.com sends the data 'name=value' to the server.

How can I include headers in my curl request?

You can include headers using the -H option. For example, curl -H 'Authorization: Bearer token' http://example.com adds an Authorization header to your request.