Understanding The Help System; Understanding Abbreviated Commands - Cisco 3845 - Security Bundle Router Software Manual

Chapter 2 Using the Command-Line Interface

Understanding the Help System

You can enter a question mark (?) at the system prompt to display a list of commands available for each
command mode. You can also obtain a list of associated keywords and arguments for any command, as
shown in
Table 2-2 Help Summary
Command
help
abbreviated-command-entry?
abbreviated-command-entry<Tab>
?
command ?
command keyword ?

Understanding Abbreviated Commands

You need to enter only enough characters for the switch to recognize the command as unique.
This example shows how to enter the show configuration privileged EXEC command in an abbreviated
form:
Switch# show conf
OL-23400-01
Table 2-2.
Purpose
Obtain a brief description of the help system in any command mode.
Obtain a list of commands that begin with a particular character string.
For example:
Switch# di?
dir disable disconnect
Complete a partial command name.
For example:
Switch# sh conf<tab>
Switch# show configuration
List all commands available for a particular command mode.
For example:
Switch> ?
List the associated keywords for a command.
For example:
Switch> show ?
List the associated arguments for a keyword.
For example:
Switch(config)# cdp holdtime ?
<10-255> Length of time (in sec) that receiver must keep this packet
Cisco ME 3800X and 3600X Switch Software Configuration Guide
Understanding the Help System
2-3