3Com Router 3000 Ethernet FamilyConfiguration Guide Chapter 2 User Configuration Interface3Com Corporation2-142.2.4 History CommandThe CLI can automatically save the commands that have been entered. You can invokeand repeatedly execute them as needed. By default, the CLI can save up to tencommands for each user. Table 2-4 lists the operation that you can perform.Table 2-4 Access history commandsOperation Key ResultView the historycommands.displayhistory-commandDisplays the commands that you haveenteredAccess the lasthistorycommand.Up-arrow key orDisplays the earlier history command, ifthere is any. Otherwise, the system ringsalarm.Access the nexthistory commandDown-arrow key orDisplays the next history command, ifthere is any. Otherwise, the system clearsthe commands and rings alarm.Note:You may use arrow keys to access history commands in Windows 3.X Terminal orTelnet. However, the up-arrow key is invalid in Windows 9X HyperTerminal, because itis defined in a different way. You can use instead.2.2.5 Edit FeaturesThe CLI provides the basic command edit functions and supports multi-line editing. Themaximum length of each command is 256 characters. Table 2-5 lists these functions.Table 2-5 Edit functionsKey FunctionCommon KeysIf the editing buffer is not full, insert the character at theposition of the cursor and move the cursor to the right.Otherwise, the alarm rings.Backspace keyDelete the character to the left of the cursor and move thecursor back one character. If the cursor gets to the beginningof the command line, the alarm rings.Left-arrow key orThe cursor moves one character space to the left, and thealarm rings when the cursor gets to the beginning of thecommand line.Right-arrow keyor The cursor moves one character space to the right, and thealarm rings when the cursor gets to end of the command line.
