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Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-28417-02
Chapter CLI Tips, Techniques, and Shortcuts
CLI Tips and Shortcuts
Using the Question Mark (?) to Display On-Screen Command Help
Use the question mark (?) to learn what commands are available and the correct syntax for a command.
Table 23 summarizes the options for on-screen help.
Tip The space (or no space) before the question mark (?) is significant. If you include a space before the
question mark, the system displays all available options for a command or CLI mode. If you do not
include a space, the system displays a list of commands that begin with a particular character string.
Ta b l e 23 On-Screen Help Commands
Command Description
partial-command ? Enter a question mark (?) at the end of a partial command to list the commands that begin with those
characters.
RP/0//CPU0:router# co?
configure copy
Note Do not include a space between the command and question mark.
? Lists all commands available for a particular command mode.
command ? Include a space before the question mark (?) to list the keywords and arguments that belong to a
command.
RP/0//CPU0:router# configure ?
exclusive Configure exclusively from this terminal
terminal Configure from the terminal
<cr>
Note For most commands, the <cr> symbol indicates that you can execute the command with the
syntax already entered. For the preceding example, press Return to enter global configuration
mode.
command keyword ? Enter a question mark (?) after the keyword to list the next available syntax option for the command.
RP/0//CPU0:router# show aaa ?
ikegroup Show local IKE group(s)
locald locald sub system
login login sub system
task Show task information
taskgroup Show all the local taskgroups configured in the system
trace Show trace data for AAA sub system
userdb Show all local users with the usergroups each belong to
usergroup Show all the local usergroups configured in the system
Note Include a space between the keyword and question mark.
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