To describe the interactive help system for the Cisco CDA server, use the help command in the EXEC mode.
No default behavior or values.
The help command provides a brief description of the context-sensitive help system.
• To list all commands available for a particular command mode, enter a question mark (?) at the system prompt.
• To obtain a list of commands that begin with a particular character string, enter the abbreviated command entry immediately followed by a question mark (?). This form of help is called word help, because it lists only the keywords or arguments that begin with the abbreviation that you entered.
• To list the keywords and arguments associated with a command, enter a question mark (?) in place of a keyword or argument on the command line. This form of help is called command syntax help, because it lists the keywords or arguments that apply based on the command, keywords, and arguments that you have already entered.
Help may be requested at any point in a command by entering
a question mark '?'. If nothing matches, the help list will
be empty and you must backup until entering a '?' shows the
Two styles of help are provided:
1. Full help is available when you are ready to enter a
command argument (e.g. 'show?') and describes each possible
2. Partial help is provided when an abbreviated argument is entered