> Thus we come to the UNIX warm boot procedure: put 173700 into the switches, push load address and then push start. The alternate switch setting of 73700 that

> Thus we come to the UNIX warm boot procedure: put 173700 into the switches, push load address and then push start. The alternate switch setting of 73700 that will load warm UNIX is used as a signal to bring up a single user system for special purposes. See /etc/init.