3Com Switch 4500 26-Port Configuration Manual page 31

command buffer is defaulted as 10. That is, the command line interface stores 10
history commands for each user. The operations are shown in
Table 7 Retrieving History Command
Operation
Display history command
Retrieve the previous history
command
Retrieve the next history
command
Cursor keys can be used to retrieve the history commands in Windows 3.X
Terminal and Telnet. However, in Windows 9X HyperTerminal, the up and down
cursor keys and do not work, because Windows 9X HyperTerminal defines the two
keys differently. In this case, use the combination keys <Ctrl+P> and <Ctrl+N>
instead for the same purpose.
Common Command Line Error Messages
Incorrectly entered commands will cause error messages to be reported to users.
The common error messages are listed in
Table 8 Common Command Line Error Messages
Error messages
Unrecognized command
Incomplete command
Too many parameters
Ambiguous command
Editing Characteristics of Command Line
The command line interface provides basic command editing and supports the
editing of multiple lines. A command cannot be longer than 256 characters. See
Table 9.
Table 9 Editing Functions
Key
Common keys
Backspace
Leftwards cursor key <> or <Ctrl+B>
Rightwards cursor key <> or <Ctrl+F>
Up cursor key <> or <Ctrl+P>
Down cursor key <> or <Ctrl+N>
Key
display
history-command
Up cursor key <> or <Ctrl+P> Retrieve the previous history
Down cursor key <> or
<Ctrl+N>
Table 8.
Causes
Cannot find the command
■
Cannot find the keyword
■
Wrong parameter type
■
The value of the parameter exceeds the range
■
The command is incomplete.
Too many parameters have been entered.
The parameters entered are not specific.
Function
Insert from the cursor position and the cursor moves
to the right, if the edition buffer still has free space.
Delete the character preceding the cursor and the
cursor moves backward.
Move the cursor a character backward
Move the cursor a character forward
Retrieve the history command.
Command Line Interface
Table 7.
Result
Display history command by
user inputting
command, if there is any.
Retrieve the next history
command, if there is any.
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