The curl command is a powerful tool used to transfer data to or from a server and is commonly used to test the accessibility of web services. It supports various protocols including HTTP, HTTPS, FTP, and more. Using curl helps in verifying if a web service is accessible and functioning as expected by returning the output or any error messages.
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What is the curl command and how does it work?
How does curl differ from other commands like ping or traceroute?
What are some common options and use cases for the curl command?