Booting Single User RS6000

[Tim Anderson]

How can you boot an RS6000 into single user mode without booting from
floppies and without previously modifying /etc/inittab???

I was configuring NIS and inadvertently tried to bind to an unreachable
machine - during a reboot shortly thereafter the console began printing
a message that the NIS server was not responding and it was retrying the
connection attempt.  I searched for ways to boot into single user to
modify the rc.nfs file, but could not locate any documentation on how to
do this.  Eventually I was able to get the machine to boot without trying
to start NIS, but don't ask me how I did it!  Does anybody know how to
accomplish this task (assuming I have the key to the system lock).
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