What Are the Most Useful curl Command Options You Should Know? Alternatively: How Can I Master curl C

`-u` for basic auth is obvious, but `--negotiate` for Kerberos auth is niche yet *so* useful in enterprise setups.

And `--resolve` lets you override DNS for a specific host. Great for testing before DNS changes propagate.

Oh, and `--cert` and `--key` for client certs? Essential for some APIs.