CLI options can be used to add to, or override, configuration defined in a `configfile`.

`tessera help` and `tessera <command> help` will show the available list of commands and options. 

| Version       |
| ------------- |
| [0.10.3 onwards](../Using CLI to override config v0.10.3) |
| [0.10.2 and earlier](../Using CLI to override config pre-v0.10.3) |