Cisco WS-SUP32-GE-3B Software Configuration Guide - Page 43

Chapter 2 Command-Line Interfaces Displaying a List of Cisco IOS Commands and Syntax Table 2-3 Frequently Used Cisco IOS Command Modes Mode Description of Use How to Access Prompt User EXEC Connect to remote devices, change terminal settings on a temporary basis, perform basic tests, and display system information. Log in. Router> Privileged EXEC (enable) Set operating parameters. The privileged command set includes the commands in user EXEC mode, as well as the configure command. Use this command to access the other command modes. From the user EXEC mode, enter the enable command and the enable password. Router# Global configuration Configure features that affect the system as a whole. From the privileged EXEC mode, Router(config)# enter the configure terminal command. Interface configuration Many features are enabled for a particular interface. Interface commands enable or modify the operation of an interface. From global configuration mode, enter the interface type slot/port command. Router(config-if)# Console configuration From the directly connected console or the virtual terminal used with Telnet, use this configuration mode to configure the console interface. From global configuration mode, Router(config-line)# enter the line console 0 command. The Cisco IOS command interpreter, called the EXEC, interprets and executes the commands you enter. You can abbreviate commands and keywords by entering just enough characters to make the command unique from other commands. For example, you can abbreviate the show command to sh and the configure terminal command to config t. When you type exit, the switch backs out one level. To exit configuration mode completely and return to privileged EXEC mode, press Ctrl-Z. Displaying a List of Cisco IOS Commands and Syntax In any command mode, you can display a list of available commands by entering a question mark (?). Router> ? To display a list of commands that begin with a particular character sequence, type in those characters followed by the question mark (?). Do not include a space. This form of help is called word help because it completes a word for you. Router# co? collect configure connect copy To display keywords or arguments, enter a question mark in place of a keyword or argument. Include a space before the question mark. This form of help is called command syntax help because it reminds you which keywords or arguments are applicable based on the command, keywords, and arguments you have already entered. OL-11439-03 Catalyst Supervisor Engine 32 PISA Cisco IOS Software Configuration Guide, Release 12.2ZY 2-5