| -d | Domain to find subdomains for | chaos -d uber.com | 
| -count | Show statistics for the specified domain | chaos -d uber.com -count | 
| -o | File to write output to (optional) | chaos -d uber.com -o uber.txt | 
| -json | Print output as json | chaos -d uber.com -json | 
| -key | Chaos key for API | chaos -key API_KEY | 
| -dL | File with list of domains (optional) | chaos -dL domains.txt | 
| -silent | Make the output silent | chaos -d uber.com -silent | 
| -version | Print current version of chaos client | chaos -version | 
| -verbose | Show verbose output | chaos -verbose | 
| -update | updates to latest version | chaos -up | 
| -disable-update-check | disables automatic update check | chaos -duc |