Cisco CLI (command line interface). login with the user password enter privileged mode with the enable password disable or quit Advanced help features: command completion and prompting syntax checking

Editing features: automatic line scrolling cursor controls history buffer with command recall copy and paste, which are available on most computers

For security purposes, the router has two levels of access to commands user mode --Typical tasks include those that check the router status. In this mode, router configuration changes are not allowed. privileged mode --Typical tasks include those that change the router configuration.

To access the full set of commands, you must first enable the privileged mode. At the ">" prompt, type "enable". At the "password" prompt, enter the password that has been set with the "enable secret" command

the prompt changes to a # (pound sign) because you are now in the privileged mode. From the privileged mode, you can access modes such as the global configuration mode and other specific modes including: interface subinterface line router route-map several additional configuration modes To logout of the router, type exit

To access privileged mode, type enable (or as shown in the figure, the abbreviation ena). You will be prompted for a password. If you type a "?" (question mark) at the privileged mode prompt, the screen displays a longer list of commands than it would at the user mode prompt. - LAB-A> user mode LAB-A>enablecommand for priv. mode LAB-A>#privilege mode LAB-A> ?help

With the command history feature you can complete the following tasks: Set the command history buffer size. Recall commands. Disable the command history feature. To change the number of command lines the system records during a terminal session, use the terminal history size or the history size command. The maximum number of commands is 256.