Specifications

CHAPTER

1-1

Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.5(0)XO

OL_28738-01

Command-Line Interface

This chapter provides information for understanding and using the Cisco IOS command-line interface

(CLI) on the Catalyst 4500 series sw itch. This chapter includ es the following sections :

• Getting Help, page 1-1

• How to Find Command Option s, page 1-2

• Understanding Comma nd Modes, page 1-5

• Using the No and Default Forms of Commands, page 1-6

• Using the CLI String Search, page 1-6

• Saving Configur ation Cha nges, page 1- 11

For an overview of the Catalyst 4500 series switch Cisco IOS configuration, refer to the Catalyst 4500

Series Switch Cisco IOS Software Con figuration Guide.

Getting Help

To display a list of commands that you can use within a command mode, enter a que stion mark (?) at

the system prompt. You also can display keyword s and arguments for each com mand with this

context-sensitive help feature.

Table 1-1 lists commands you can enter to get help that is specific to a command mode, a command, a

keyword, or an argument.

Table 1-1 Getting Help

Command Purpose

abbreviated-command-entry? Displays a list of commands that begin with a

particular character string. (Do not leave a space

between the command and question mark.)

abbreviated-command-entry< Tab> Completes a partial command name.

? Lists all commands for the command mode.

command ? Lists all keywords for the command. Leave a space

between the command and the question mark.

command keyw ord ? Lists all arguments for the keyword. Leave a space

between the keyword and the question mar k.