3Com S7906E Command Reference Manual page 1965

By default, no command is automatically executed.
The auto-execute command command may cause you unable to perform common configuration
in the user interface, so use it with caution.
Before executing the auto-execute command command and save your configuration, make sure
you can log into the switch in other modes and cancel the configuration.
Examples
# Configure the telnet 10.110.100.1 command to be executed automatically after users log into VTY 0.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] user-interface vty 0
[Sysname-ui-vty0] auto-execute command telnet 10.110.100.1
% This action will lead to configuration failure through ui-vty0. Are you sure?[Y/N]y
After the above configuration, when a user logs onto the device through VTY 0, the device automatically
executes the configured command and logs off the current user.
databits
Syntax
databits { 5 | 6 | 7 | 8 }
undo databits
View
AUX interface view
Default Level
2: System level
Parameters
5: Five data bits.
6: Six data bits.
7: Seven data bits.
8: Eight data bits.
Description
Use the databits command to set the databits for the user interface.
Use the undo databits command to revert to the default data bits.
The default data bits is 8.
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