Operation Manual – System Maintenance and DebuggingH3C S3610&S5510 Series Ethernet Switches Chapter 1 Basic Configurations1-4Note:You may use arrow keys to access history commands in Windows 2000/XP Terminal orTelnet. However, the up-arrow and down-arrow keys are invalid in Windows 9XHyperTerminal, because they are defined in a different way. You can use and instead.1.1.5 Command Line Error InformationThe commands are executed only if they have no syntax error. Otherwise, errorinformation is reported. Table 1-3 lists some common errors.Table 1-3 Common command line errorsError information CauseThe command was not found.The keyword was not found.Parameter type errorUnrecognized commandThe parameter value is beyond the allowed range.Incomplete command Incomplete commandToo many parameters Too many parameters are input.Ambiguous command Parameter value input is ambiguous.Wrong parameter Wrong parameter1.1.6 Edit FeaturesThe CLI provides the basic command edit functions and supports multi-line editing. Themaximum length of each command is 256 characters. Table 1-4 lists these functions.Table 1-4 Edit functionsKey FunctionCommon KeysIf the editing buffer is not full, insert the character at the positionof the cursor and move the cursor to the right. Otherwise, thealarm rings.Backspace keyDelete the character to the left of the cursor and move thecursor back one character. If the cursor gets to the beginning ofthe command line, the alarm rings.Left-arrow key orThe cursor moves one character space to the left, and the alarmrings when the cursor gets to the beginning of the commandline.