C
HAPTER
18
| Using the Command Line Interface
Entering Commands
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N
OTE
:
You can open up to eight sessions to the device via Telnet or SSH.
ENTERING COMMANDS
This section describes how to enter CLI commands.
KEYWORDS AND
ARGUMENTS
A CLI command is a series of keywords and arguments. Keywords identify
a command, and arguments specify configuration parameters. For
example, in the command “show interfaces status ethernet 1/5,” show
interfaces and status are keywords, ethernet is an argument that
specifies the interface type, and 1/5 specifies the unit/port.
You can enter commands as follows:
◆ To enter a simple command, enter the command keyword.
◆ To enter multiple commands, enter each command in the required
order. For example, to enable Privileged Exec command mode, and
display the startup configuration, enter:
Console>enable
Console#show startup-config
◆ To enter commands that require parameters, enter the required
parameters after the command keyword. For example, to set a
password for the administrator, enter:
Console(config)#username admin password 0 smith
MINIMUM
ABBREVIATION
The CLI will accept a minimum number of characters that uniquely identify
a command. For example, the command “configure” can be entered as
con. If an entry is ambiguous, the system will prompt for further input.
COMMAND
COMPLETION
If you terminate input with a Tab key, the CLI will print the remaining
characters of a partial keyword up to the point of ambiguity. In the “logging
history” example, typing log followed by a tab will result in printing the
command up to “logging.”
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