Cisco Certifications Tutorials

7 http:\\ciscocertifications.info Router> This is called User EXEC mode and only contains a limited feature set. When in User mode, entering the command enable and the password, will put you in Privileged EXEC Mode. This will give you the following prompt: Router# From this mode you can now use all of the available commands and enter Global Configuration Mode. *Keypoints: Typing "enable" at the user mode prompt will let you enter Privileged EXEC mode. Know that the "#" indicates you are in privileged mode. Context Sensitive Help The IOS has a built in Context-sensitive help. The main tool is the ? symbol. If you are unsure of what a command or the entire syntax for a command should be, type in a partial command followed by a ? and the help facility will provide you with the available options. To list all commands available for a particular command mode: Router> ? To list a command's associated arguments: Router> command ? To list a keyword's associated arguments: Router> command argument ? *Keypoints: To find out the complete syntax for a particular command, you would enter the first few characters of a command and followed immediately by a ? with no space. Example would be "cl?". This would return a list of all commands that start with "cl". If you want to find out the arguments that can be used with a command, then you would type the command followed by a space and a ?. Example would be "clock ?". This would yield all the ar- guments that can be used with the "clock" command. When you enter a command and get a "% incomplete command" response, then you need to re- enter the command followed by a Question mark to view the keywords. Command History The IOS user interface provides a history or record of commands that you have entered. This feature is particularly useful for recalling long or complex command entries. By default, the system records the 10 most recent command lines in its history buffer. To display the entries in the history buffer: show history To change the number of command lines recorded during the current terminal session use the following command: