Cisco Systems CSR 1000V manual Getting Help, Finding Command Options

Chapter 2 Using Cisco IOS XE Software

Getting Help

Table 2-3	Accessing and Exiting Command Modes (continued)
Command
Mode	Access Method	Prompt	Exit Method
Global	From privileged EXEC mode, use the	Router(config)#	To return to privileged EXEC
configuration	configure terminal privileged EXEC		mode from global configuration
	command.		mode, use the exit or end
			command.
Interface	From global configuration mode, specify an	Router(config-if)#	To return to global configuration
configuration	interface using an interface command.		mode, use the exit command.
			To return to privileged EXEC
			mode, use the end command.

Getting Help

Entering a question mark (?) at the CLI prompt displays a list of commands available for each command mode. You can also get a list of keywords and arguments associated with any command by using the context-sensitive help feature.

To get help specific to a command mode, a command, a keyword, or an argument, use one of the commands listed in Table 2-4:

Table 2-4 Help Commands and Purpose

Command	Purpose
help	Provides a brief description of the help system in any
	command mode.
abbreviated-command-entry?	Provides a list of commands that begin with a particular
	character string. (No space between command and question
	mark.)
abbreviated-command-entry<Tab>	Completes a partial command name.
?	Lists all commands available for a particular command mode.
command ?	Lists the keywords or arguments that you must enter next on
	the command line. (Space between command and question
	mark.)

Finding Command Options

This section provides an example of how to display syntax for a command. The syntax can consist of optional or required keywords and arguments. To display keywords and arguments for a command, enter a question mark (?) at the configuration prompt or after entering part of a command followed by a space. The Cisco IOS XE software displays a list and brief description of available keywords and arguments. For example, if you were in global configuration mode and wanted to see all the keywords or arguments for the arap command, you would type arap ?.

The <cr> symbol in command help output stands for “carriage return.” On older keyboards, the carriage return key is the Return key. On most modern keyboards, the carriage return key is the Enter key. The <cr> symbol at the end of command help output indicates that you have the option to press Enter to

Cisco CSR 1000V Series Cloud Services Router Software Configuration Guide

OL-27477-07 2-3