User's Manual

Table Of Contents
44
Users Manual of GPL-8000
3.3.3. Help Function
Use the question mark (?) and the direction mark to help you enter commands:
The currently available command list can be presented if you enter a question mark.
OLT> ?
The currently available commands starting with the known characters in the list can be displayed if you
enter the known characters and then a question mark (without space).
OLT> s?
The parameter list of a command will be obtained if you enter the command, press "Space" and enter
the question mark.
OLT> show ?
The previously entered commands can be presented if you press the up arrow key. If you continue
press the up arrow key, more commands can be shown. If you press the up arrow key and then the
down arrow key, the next command line following the current one can be presented.
3.3.4. Canceling a Command
To cancel a command or resume its default properties, add the keyword “no” before most commands. An
example is given as follows:
no ip routing
3.3.5. Saving Configuration
You may need to save the configuration changes, so that you can recover the original configuration in case of
system restarted or power cuts. You can use write command to save configuration in the Administration Mode
or Global Configuration Mode.