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CLI\files\CLI_Preface.fm
D E L L C O N F ID E N T IA L – P R E L IM I N A RY 5 / 1 5 /1 2 - F O R P R O O F O N LY
recalled, reviewed, modified, and reissued. This buffer is not preserved across
device resets. The keys that can be used to access the history buffer are
described in
Table 1
.
By default, the history buffer system is enabled, but it can be disabled at any
time. For information about the command syntax to enable or disable the
history buffer, see the
history
command.
There is a standard default number of commands that are stored in the buffer.
The standard number of 10 commands can be increased to 256. By
configuring 0, the effect is the same as disabling the history buffer system. For
information about the command syntax for configuring the command history
buffer, see the
history size
command.
To display the history buffer, see
show history
command.
Negating the Effect of Commands
For many configuration commands, the prefix keyword "no" can be entered to
cancel the effect of a command or reset the configuration to the default
value. This guide describes the negation effect for all applicable commands.
Command Completion
If the command entered is incomplete, invalid, or has missing or invalid
parameters, an appropriate error message is displayed.
To complete an incomplete command, press the <Tab> button. If the
characters already entered are not enough for the system to identify a single
matching command, press "?" to display the available commands matching
the characters already entered.
Incorrect or incomplete commands are automatically re-entered next to the
cursor. If a parameter must be added, the parameter can be added to the basic
command already displayed next to the cursor. The following example
indicates that the command interface requires a missing parameter.
(config)#interface
%missing mandatory parameter
(config)#interface
