Allied Telesis AT-GS950/10PS - (Question Mark Key)

Chapter 2: Basic Management Commands
20
? (Question Mark Key)
Syntax
?
Parameters
None.
Modes
Privileged Exec and Global Configuration modes
Description
Use the question mark key to display on-line help messages. Typing the
key at different points in a command displays different messages:
 Typing “?” at a command line prompt displays all the keywords in
the current mode.
 Typing “?” after a keyword displays the available parameters.
Note
You must type a space between a keyword and the question mark.
Otherwise, the on-line help returns the previous keyword.
 Typing “?” after a keyword or parameter that has a variable
displays information about the value.
Examples
This example displays all the keywords in the Global Configuration mode:
ATGS950_28PS# configure terminal
ATGS950_28PS(config)# ?
This example displays the parameters for the SHOW keyword in the
Privileged Exec mode:
ATGS950_28PS# show ?
This example displays information about the variable for the USERNAME
parameter in the CONFIG ACCOUNT command in the Global
Configuration mode:
ATGS950_28PS# configure terminal
ATGS950_28PS(config)# config account ?