Using Command History; Changing The Command History Buffer Size; Recalling Commands; Disabling The Command History Feature - Cisco Catalyst 2950 Software Configuration Manual

Chapter 2 Using the Command-Line Interface

Using Command History

The IOS provides a history or record of commands that you have entered. This feature is particularly
useful for recalling long or complex commands or entries, including access control lists (ACLs). You
can customize the command history feature to suit your needs as described in these sections:
•
•
•

Changing the Command History Buffer Size

By default, the switch records ten command lines in its history buffer. Beginning in user EXEC mode,
enter this command to change the number of command lines that the switch records during the current
terminal session:
Switch> terminal history
The range is from 0 to 256.
Beginning in line configuration mode, enter this command to configure the number of command lines
the switch records for all sessions on a particular line:
Switch(config-line)# history
The range is from 0 to 256.

Recalling Commands

To recall commands from the history buffer, perform one of the actions listed in
Table 2-4 Recalling Commands
1
Action
Press Ctrl-P or the up arrow key.
Press Ctrl-N or the down arrow key.
show history
1. The arrow keys function only on ANSI-compatible terminals such as VT100s.

Disabling the Command History Feature

The command history feature is automatically enabled.
To disable the feature during the current terminal session, enter the terminal no history user EXEC
command.
To disable command history for the line, enter the no history line configuration command.
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Changing the Command History Buffer Size, page 2-5
Recalling Commands, page 2-5
Disabling the Command History Feature, page 2-5
[
size number-of-lines
Result
Recall commands in the history buffer, beginning with the most recent command.
Repeat the key sequence to recall successively older commands.
Return to more recent commands in the history buffer after recalling commands
with Ctrl-P or the up arrow key. Repeat the key sequence to recall successively
more recent commands.
While in user EXEC mode, list the last several commands that you just entered.
]
[ ]
size number-of-lines
Catalyst 2950 Desktop Switch Software Configuration Guide

Using Command History

Table 2-4:
2-5