Displaying and executing history commands – H3C Technologies H3C S5120 Series Switches User Manual

Page 30

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1-16

Key

Function

Left arrow key or Ctrl+B

The cursor moves one character space to the left.

Right arrow key or Ctrl+F

The cursor moves one character space to the right.

Tab

If you press Tab after entering part of a keyword, the system automatically
completes the keyword:

z

If finding a unique match, the system substitutes the complete keyword
for the incomplete one and displays it in the next line.

z

If there is more than one match, you can press Tab repeatedly to display
in cycles all the keywords starting with the character string that you typed.

z

If there is no match, the system does not modify the incomplete keyword
and displays it again in the next line.

Displaying and Executing History Commands

The CLI automatically saves the commands recently used in the history command buffer. You can

access commands in the history command buffer and execute them again.

Table 1-5 Access history commands

To do…

Use the key/command…

Result

Display history commands

display history-command

Displays valid history commands you
used

Access the previous history
command

Up arrow key or Ctrl+P

Displays the previous history command, if
any

Access the next history
command

Down arrow key or Ctrl+N

Displays the next history command, if any

You may use arrow keys to access history commands in Windows 200X and XP Terminal or Telnet.

However, the up and down arrow keys are invalid in Windows 9X HyperTerminal, because they are

defined differently. You can press Ctrl+P or Ctrl+N instead.

Note that:

z

The commands saved in the history command buffer are in the same format in which you typed the

commands. If you typed an incomplete command, the command saved in the history command

buffer is also an incomplete one.

z

If you execute the same command repeatedly, the device saves only the earliest record. However,

if you execute the same command in different formats, the system saves them as different

commands. For example, if you execute the display cu command repeatedly, the system saves

only one command in the history command buffer. If you execute the command in the format of

display cu and display current-configuration respectively, the system saves them as two

commands.

z

By default, the CLI can save up to ten commands for each user. You can use the

history-command max-size command to set the capacity of the history command buffer for the

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