Using the command history feature

The system automatically saves commands successfully executed by a login user to the following two command history buffers:

Table 6: Comparison between the two types of command history buffers

Item	Command history buffer for a user line	Command history buffer for all user lines
What kind of commands are saved in the buffer?	Commands successfully executed by the current user of the user line.	Commands successfully executed by all login users.
Cleared when the user logs out?	Yes.	No.
How to view buffered commands?	Use the display history-command command.	Use the display history-command all command.
How to recall a buffered command?	(Method 1.) Navigate to the command in the buffer and press Enter. (Method 2.) Use the repeat command. For more information, see "Repeating commands in the command history buffer for a line."	You cannot recall buffered commands.
How to set the buffer size?	Use the history-command max-size size-value command in user line view to set the buffer size. By default, the buffer can store up to 10 commands.	You cannot set the buffer size. The buffer can store up to 1024 commands.
How to disable the buffer?	Setting the buffer size to 0 disables the buffer.	You cannot disable the buffer.

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