Cisco IE-3000-8TC Command Reference Manual page 676

unset
Examples This example shows how to reset the prompt string to its previous setting:
switch: unset PS1
switch:
Related Commands Command
set
Cisco IE 3000 Switch Command Reference
A-24
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.
The bootloader prompt string (PS1) can be up to 120 printable characters except the equal sign
(=).
Description
Sets or displays environment variables.
Appendix A IE 3000 Switch Bootloader Commands
OL-13019-01