Glance through the Etlas command reference
| Flags | Flag Type | Description |
| -h, --help | switch-flag | Show the help text |
| -v, --verbose | verbosity | Control verbosity, higher verbosity emits more messages |
| --list | switch-flag | Lists the available Eta versions. |
| --installed | switch-flag | To be used in conjunction with --list. Will only list the installed Eta versions. |