1-13z The Windows 9x HyperTerminal explains the up and down arrow keys in a different way, andtherefore the two keys are invalid when you access history commands in such an environment.However, you can use and instead to achieve the same purpose.z When you enter the same command multiple times consecutively, only one history command entryis created by the command line interface.Error PromptsIf a command passes the syntax check, it will be successfully executed; otherwise, an error messagewill 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.Command EditThe CLI provides basic command edit functions and supports multi-line editing. The maximum numberof characters a command can contain is 254. Table 1-4 lists the CLI edit operations.Table 1-4 Edit operationsPress… To…A common keyInsert the corresponding character at the cursor positionand move the cursor one character to the right if thecommand is shorter than 254 characters.Backspace key Delete the character on the left of the cursor and move thecursor one character to the left.Left arrow key or Move the cursor one character to the left.Right arrow key or Move the cursor one character to the right.Up arrow key or Down arrow key or Display history commands.
