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Command Manual – Getting Started
Quidway S8500 Series Routing Switches
Parameter
Command-Number: The number of history commands the user wants to query. The
value range is 1 to 256.
|: Operator, indicating that a regular expression follows.
begin: Displays all commands starting from the one that matches the match string.
include: Displays only the command that matches the string.
exclude: Displays only the commands that do not match the match string.
Match-string: The regular expression to match.
Description
The display history-command command is used to query selectively the history
commands. All the history commands are stored in the history command buffer. When
the history command buffer is full, the oldest information in the buffer will be replaced by
new information.
The number of history commands obtained through the display history-command
command, Command-Number, depends on the size of the history command buffer set
through the history-command max-size command, and Command-Number should
not be bigger than the size of the history command buffer Max-size. If the specified
Command-Number is bigger than the Max-size, all the commands in the history
command buffer will be queried.
Refer to Figure 1-1.
History buffer size
History buffer size
Figure 1-1 Relation between history buffer size and Command-Numbe
Chapter 1 Commands Used to Log in to Switch
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Max-size-2
Max-size-2
Max-size-1
Max-size-1
Max-size
Max-size
Huawei Technologies Proprietary
1-5
Comma
Comma
nds displayed by
nds displayed by
displa
displa
y history command
y history command
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Command-Number
Comma
nd-Number
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