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Configuration Guide - Basic Configuration

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Basic, including CLI Overview, EasyDeploy Configuration, USB-based Deployment Configuration, Logging In to a Device for the First Time, CLI Login Configuration, Web System Login Configuration, File Management, Configuring System Startup, BootLoad Menu Operation.

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Displaying History Commands

Displaying History Commands

The device automatically stores history commands entered by a user. To enter a command that has been executed, you can use this function to call up the history command.

By default, the system saves 10 history commands for each user. Run the history-command max-size size-value command to reset the number of history commands that can be saved in a specified user interface view. The maximum number is 256.


If the value specified in the history-command max-size size-value command is large, it may take a long time to obtain a required history command. Therefore, a large value is not recommended.

Table 1-6 shows operations on history commands.

Table 1-6  Accessing history commands


Command or Key


Display history commands.

display history-command [ all-users ]

  • The history commands entered by the current users are displayed when all-users is not selected.

  • The history commands entered by all users are displayed when all-users is selected. (all-users can be selected only by users of level 3 or higher.)

Display the earlier history command.

Up arrow key ↑ or Ctrl+P

An earlier history command is displayed. If the current command is the first command, an alarm is generated when you attempt to display the earlier history command.

Display the later history command.

Down arrow key ↓ or Ctrl+N

A later history command is displayed. If the current command is the latest command, no output is displayed and an alarm is generated when you attempt to display the later history command.


You cannot access history commands using the Up arrow key ↑ in HyperTerminal Windows 9X. The Up arrow key ↑ has a different function in HyperTerminal Windows 9X and needs to be replaced by the shortcut key Ctrl+P.

When using history commands, note the following:

  • The saved history commands are the same as those entered by users. For example, if the user enters an incomplete command, the saved command also is incomplete.

  • If the user runs the same command several times, only the latest command is saved. If the command is entered in different forms, they are considered as different commands.

    For example, if the display current-configuration command is run several times, only one history command is saved. If the display current-configuration command and the dis curr command are used, both of them are saved.

  • History commands entered by the current user can be deleted using the reset history-command command in all view. The deleted history commands cannot be displayed or accessed. To delete history commands entered by all users, run the reset history-command [ all-users ] command as a user of level 3 or higher.

Updated: 2019-04-04

Document ID: EDOC1100066063

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