unset
Usage Guidelines
Under normal circumstances, it is not necessary to alter the setting of the environmental variables.
The MANUAL_BOOT environment variable can also be reset by using the no boot manual global
configuration command.
The BOOT environment variable can also be reset by using the no boot system global configuration
command.
The ENABLE_BREAK environment variable can also be reset by using the no boot enable-break
global configuration command.
The HELPER environment variable can also be reset by using the no boot helper global configuration
command.
The CONFIG_FILE environment variable can also be reset by using the no boot config-file global
configuration command.
The HELPER_CONFIG_FILE environment variable can also be reset by using the no boot
helper-config-file global configuration command.
Examples
This example shows how to reset the prompt string to its previous setting:
switch: unset PS1
switch:
Related Commands
Command
set
Cisco ME 3400 Ethernet Access Switch Command Reference
A-24
Appendix A
Cisco ME 3400 Ethernet Access Switch Boot Loader Commands
Description
Sets or displays environment variables.
OL-9640-07