3Com Switch 7700 Configuration Manual page 33

Common Command Line Error Messages
All the commands that are entered by users can be correctly executed if they have
passed the grammar check. Otherwise, error messages are reported to users.
Common error messages are listed in Table 19.
Table 19 Common Command Line Error Messages
Error messages
Unrecognized command
Cannot find the keyword.
The value of the parameter exceeds the range. Incomplete command
The command is incomplete.
You entered too many parameters.
The parameters you entered are not specific.
History Command
The command line interface provides a function similar to DosKey. The commands
entered by users can be automatically saved by the command line interface and
you can invoke and execute them at any time. By default, the history command
buffer can store 10 history commands for each user. The operations are shown in
Table 20.
Table 20 Retrieve History Command
Operation
Display history command
Retrieve the previous history
command
Retrieve the next history
command
Editing Features of the Command Line
The command line interface provides a basic command editing function and
supports editing multiple lines. A command cannot be longer than 256 characters.
See Table 21.
Table 21 Editing Functions
Key
Common keys
Backspace
Left cursor key < or Ctrl+B
Right cursor key > or Ctrl+F
Up cursor key ^ or Ctrl+P
Down cursor key v or Ctrl+N
Causes
Cannot find the command.
Wrong parameter type.
Too many parameters
Ambiguous command
Key
display history-command
Up cursor key <> or <Ctrl+P> Retrieves the previous history
Down cursor key <> or
<Ctrl+N>
Function
Inserts at the cursor position and the cursor
moves to the right, if the edition buffer still
has free space.
Deletes the character preceding the cursor
and the cursor moves backward.
Moves the cursor a character backward
Moves the cursor a character forward
Retrieves the history command.
Command Line Interface
Result
Displays history commands
by the user who is entering
them.
command, if there is any.
Retrieves the next history
command, if there is any.
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