Command Structure 2-3Command LanguageTerminologyThe CLI command language creates, manages, displays and removes systementities. These entities describe system and network connections and processes.Most of the managed entities in the system are slotted in tables. Some commonexamples are:n Network - defines local and remote networks, network connections, hostsand routersn Port - A table of parameters that describes the characteristics of a bridge port.These parameters are used when establishing a network connection over theWANn User - A table of parameters that describes connection parameters associatedwith Telnet users that wish to attach and remotely manage the unitn Filter - can be applied to interfaces, connections, and theernet port to controlaccess through the systemn Interface - describes physical devices; for example, portsn Route - describes a path through the network to another system or networkTable entries are created with an add command, and removed with a deletecommand. The add command specifies the most important parameters of theentry. Additional parameters are usually specified with the set command, which isalso used to change configured parameters.The list command displays table entries. For example, list users displays alldefined administrative login profiles.The show command displays detailed information about a specific table entry. Forexample, show user root displays detailed information for the administrativelogin profile root.