5
Saving Configuration Changes
Configuration changes made using the CLI affect only the current state of the controller. Unless
saved, the changes are lost when the Controller is rebooted. To save your changes so that they are
retained after a reboot, use the following enable mode CLI command:
(host) # write memory
Saving Configuration...
Saved Configuration
Command Completion
To make command input easier, you can usually abbreviate each key word in the command. You
need type only enough of each keyword to distinguish it from similar commands. For example:
(host) # configure terminal
could also be entered as:
(host) # con t
Three characters (con) represent the shortest abbreviation allowed for configure. Typing only c or
co would not work because there are other commands (like copy) which also begin with those
letters. The configure command is the only one that begins with con.
As you type, you can press the spacebar or tab to move to the next keyword. The system then
attempts to expand the abbreviation for you. If there is only one command keyword that matches
the abbreviation, it is filled in for you automatically. If the abbreviation is too vague (too few
characters), the cursor does not advance and you must type more characters or use the help
feature to list the matching commands.
Command Help
You can use the question mark (?) to view various types of command help.
When typed at the beginning of a line, the question mark lists all the commands available in your
current mode or sub-mode. A brief explanation follows each command. For example:
(host) > ?
enable Turn on Privileged commands
logout Exit this session. Any unsaved changes are lost.
ping Send ICMP echo packets to a specified IP address.
traceroute Trace route to specified IP address.
When typed at the end of a possible command or abbreviation, the question mark lists the
commands that match (if any). For example:
(host) > c?
clear Clear configuration
clock Configure the system clock
configure Configuration Commands
copy Copy Files
If more than one item is shown, type more of the keyword characters to distinguish your choice.
However, if only one item is listed, the keyword or abbreviation is valid and you can press tab or the
spacebar to advance to the next keyword.
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