Viewing history commands, Controlling the cli output, Pausing between screens of output – H3C Technologies H3C SecBlade LB Cards User Manual

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format. For example, display cu and display current-configuration are buffered as two entries but

successive repetitions of display cu create only one entry in the buffer.
By default, the command history buffer can save up to 10 commands for each user. To set the capacity

of the command history buffer for the current user interface, use the history-command max-size

command.

Viewing history commands

You can use arrow keys to access history commands in Windows 200x and Windows XP Terminal or

Telnet. In Windows 9x HyperTerminal, the arrow keys are invalid, and you must use Ctrl+P and Ctrl+N

instead.
To view command history, use one of the following methods:

Task Command

Display all commands in the command history
buffer.

display history-command [ | { begin | exclude | include }
regular-expression ]

Display the previous history command.

Up arrow key or Ctrl+P

Display the next history command.

Down arrow key or Ctrl+N

Setting the command history buffer size for user interfaces

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter user interface view.

user-interface { first-num1
[ last-num1 ] | { aux | console |

vty } first-num2 [ last-num2 ] }

N/A

3.

Set the maximum number of
commands that can be saved

in the command history
buffer.

history-command max-size
size-value

Optional.
By default, the command history

buffer can save up to 10
commands.

Controlling the CLI output

This section describes the CLI output control features that help you quickly identify the desired output.

Pausing between screens of output

If the output being displayed is more than will fit on one screen, the system automatically pauses after

displaying a screen. By default, up to 24 lines can be displayed on a screen. To change the screen length,

use the screen-length screen-length command. For more information about this command, see System
Management Command Reference
. To control output, use keys in

Table 27

.

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