| 3.3 | Important Cisco IOS Features | ||
| 3.3.1 | Command-line recall |
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When you enter a command on the switch, it retains the command in a buffer called the history buffer. On a Cisco IOS command-based switch, the history buffer holds the last ten commands, like a router does. To access these commands, use the up and down arrows on the keyboard. The history buffer on a set command-based switch stores up to 20 commands. Various devices have specific methods of recalling commands. The switch uses abbreviated key sequences to recall commands. A "bang" is an !
(exclamation point) on a keyboard. When dictating commands,
"exclamation mark" is too difficult to say, so
"bang" is used as a verbal shortcut. Table Sometimes you not only want to recall
a command, but you also want to edit it. Table One frustration when mentally
recalling commands can be that you have a difficult time remembering
what command you entered seven lines previously. This can become
particularly challenging because the Catalyst history buffer
stores up to 20 commands. Use the history
command to see your history buffer. Figure
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