DIS-200G Series Gigabit Ethernet Switch CLI Reference Guide
9
2.
Basic CLI Commands
2-1
help
This command is used to display a brief description of the help system. Use the help command in any
command modes
help
Parameters
None.
Default
None.
Command Mode
EXEC Mode or Any Configuration Mode.
Command Default Level
Level: 1.
Usage Guideline
The help command provides a brief description for the help system, which includes the following functions:
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 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 the
command syntax
help, because it lists the keywords or arguments that apply based on the
command, keywords, and arguments already entered.
Example
This example shows how the help command is used to display a brief description of the help system.
Switch# help
The switch CLI provides advanced help feature.
1. Help is available when youe are ready to enter a command
argument (e.g. 'show ?') and want to know each possible
available options.
2. Help is provided when an abbreviated argument is entered
and you want to know what arguments match the input (e.g. 'show ve?'.).
If nothing matched, the help list will be empty and tou must backup
until entering a '?' shows the available options.
3. For completing a partial command name could enter the abbreviated
command name immediately followed by a <Tab> key.
Note:
Since the character '?' is used for help purpose, to enter