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Undo form of a command – H3C Technologies H3C SecBlade IPS Cards User Manual

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5-6

memory Display memory information

power Display power status

version System version

display

5) Enter a command and a question mark (?) separated by a space. If the question mark is at the

position of a parameter, all available parameters will be displayed, together with their brief
descriptions.

system-view

[Sysname]idle-timeout

<1-1440> Timeouts value, the range is [1-1440] minute(s)

[Sysname]idle-timeout 100

<0-59> Timeouts value, the range is [0-59] second(s)

[Sysname]idle-timeout 100

means that there is no parameter available at the position. The command will be repeated at the
next line. Press Enter to execute the command.

6) Enter a string followed by a question mark (?). All commands starting with the string will be

displayed.

te

temperature-limit Temperature limit configuration

terminal Terminal configuration

te

7) Enter a command followed by a string and a question mark (?). All available keywords starting with

the string will be listed.

display de

device Display device information

display de

8) Enter the initial letters of a command and press Tab. If the letters identify a keyword uniquely, the

complete keyword is displayed; otherwise, all keywords of the command that start with the letters
will be displayed.

bo

boot-loader

boot-loader file

t

te

temperature-limit terminal

te

Undo Form of a Command

Adding the keyword undo can form an undo command. Almost every configuration command has an

undo

form. undo commands are generally used to restore the system default, disable a function or

cancel a configuration. For example, the sysname command is for configuring the device name, and
the undo sysname command is for restoring the default device name.