- By pressing Stop A key sequence on a Sun Keyboard.
- By typing #init 0 if your system boots up directly .
- Pressing ctrl-break or shift-break on a pc keyboard if using pc as console through serial port.
- If auto-boot feature is enabled system directly boots up and gives you a # prompt. You can disable auto-boot so next time it stays at ok prompt for starting installation.
- #/usr/platform/sun4u/sbin/eeprom auto-boot?=false
- reboot the system.