Operation Manual – CLIH3C S5600 Series Ethernet Switches Chapter 1 CLI Configuration1-16Purpose Operation RemarksDisplay the latestexecuted historycommandsExecute the displayhistory-commandcommandThis command displaysthe command history.Recall the previoushistory commandPress the up arrow key orThis operation recalls theprevious historycommand (if available).Recall the next historycommandPress the down arrow keyor This operation recalls thenext history command (ifavailable).Note:z The Windows 9x HyperTerminal explains the up and down arrow keys in a differentway, and therefore the two keys are invalid when you access history commands insuch an environment. However, you can use and instead toachieve the same purpose.z When you enter the same command multiple times consecutively, only one historycommand entry is created by the command line interface.1.4.4 Error PromptsIf a command passes the syntax check, it will be successfully executed; otherwise, anerror message will be displayed. Table 1-3 lists the common error messages.Table 1-3 Common error messagesError message RemarksThe command does not exist.The keyword does not exist.The parameter type is wrong.Unrecognized commandThe parameter value is out of range.Incomplete command The command entered is incomplete.Too many parameters The parameters entered are too many.Ambiguous command The parameters entered are ambiguous.Wrong parameter A parameter entered is wrong.found at '^' position An error is found at the '^' position.