Sort of. Stop-A drops you into the firmware prompt (OpenBoot), suspending the OS in the process. OpenBoot, of course implements a forth interpreter shell.
Ahh, the good old days... I once implemented a nice little boot device selecting utility in for for some of my Suns. All written in Fourth, and executed by the firmware on every boot.
Ahh, the good old days... I once implemented a nice little boot device selecting utility in for for some of my Suns. All written in Fourth, and executed by the firmware on every boot.