User`s guide

Chapter 1: Starting a Command Line Management Session
14
Key Features
The following features are supported in the command line interface:
Command history using the up and down arrow keys. (Not
supported in a Telnet management session.)
Context-specific help - Type a question mark at any time to see a
list of legal next parameters.
Keyword abbreviations - Any keyword can be recognized just by
typing an unambiguous prefix (e.g., “sh” for “show”). These
prefixes are indicated by capital letters in the screen text
representation of the commands.
Tab key - Pressing the tab key completes a keyword. For example,
typing “DI” and pressing the tab key enters “DISABLE.”