3com 3800 Manual Do Utilizador

C

HAPTER

 4: C

OMMANDS

Table 4-2 describes the line-editing commands available using the 
command-line interface.

vertical bar |

Separates mutually exclusive items in a list, one of which must be entered. For 
example, in the syntax

config snmp community [read | write] <string>

you must specify either the read or write community string in the command. Do not 
type the vertical bar.

braces { }

Enclose an optional value or a list of optional arguments. One or more values or 
arguments can be specified. For example, in the syntax

show vlan {<name> | all}

you can specify either a particular VLAN or the keyword “all.” If you do not specify 
an argument, the command will show all VLANs. Do not type the braces.

Table 4-1   Command Syntax Symbols (continued)

Table 4-2   Line-Editing Commands 

Backspace

Deletes character to the left of cursor and shifts remainder of line to left.

Delete or [Ctrl] + D

Deletes character under cursor and shifts remainder of line to left.

[Ctrl] + K

Deletes characters from under cursor to the end of the line.

Insert

Toggles on and off. When toggled on, inserts text and pushes previous text to right.

Left Arrow

Moves cursor to left.

Right Arrow

Moves cursor to right.

Home or [Ctrl]+A

Moves cursor to first character in line.

End or [Ctrl]+E

Moves cursor to last character in line. 

[Ctrl]+L

Clears the screen and moves the cursor to the beginning of the line.

Up Arrow

Displays the previous command in the command history buffer, and places cursor at 
end of command.

Down Arrow

Displays the next command in the command history buffer, and places cursor at end 
of command.

SW3800.BK  Page 4  Tuesday, May 5, 1998  5:20 PM