3com MSR 20-20 참조 매뉴얼

Any view

None

Use the display history-command command to display commands saved in 
the history buffer.

The system will save validated history commands performed last in current user 
view to the history buffer, which can save up to ten commands by default. You can 
use the history-command max-size command to set the size of the history 
buffer. Refer to “history-command max-size” on page 2460 for related 
configuration.

# Display validated history commands in current user view (the display information 
varies with configuration).

<Sysname> display history-command

display history-command

system-view

vlan 2

quit 

Any view

None

Use the display hotkey command to display hotkey information.

# Display hotkey information.

<Sysname> display hotkey

----------------- HOTKEY -----------------

=Defined hotkeys=

Hotkeys Command

CTRL_G

display current-configuration

CTRL_L

display ip routing-table

CTRL_O

undo debug all

=Undefined hotkeys=

Hotkeys Command

CTRL_T

NULL

CTRL_U

NULL