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| 1.5 |  | Important IOS Features |
| 1.5.2 |  | Using the help feature |

The help command on a Cisco IOS-based switch works the same as that on a router. On a switch, help may be accessed by entering “?” on the command line. The switch then prompts with all possible choices for the next parameter. If the next parameter is typed in and ? is typed again, the switch displays the next set of command-line choices. In fact, the switch displays help on a parameter-by-parameter basis. Additionally, when the switch displays help options, it also ends by displaying the portion of the command entered so far. This enables commands to be appended to the line without the need to reenter the previous portion of the command.