Administration overview with the CLI
You can administer ONTAP systems with the command-line interface (CLI). You can use the ONTAP management interfaces, access the cluster, manage nodes, and much more.
You should use these procedures under the following circumstances:
You want to understand the range of ONTAP administrator capabilities.
You want to use the CLI, not System Manager or an automated scripting tool.
For details about CLI syntax and usage, see the ONTAP 9 manual page reference documentation.