Home Tips and Instructions Linux & UNIX Setting Mac OS X as the Default OS in Yaboot on a PowerPC
Setting Mac OS X as the Default OS in Yaboot on a PowerPC PDF Print E-mail

To make the Mac OS X your default OS add defaultos=macosx to the /etc/yaboot.conf file.

After you modified "/etc/yaboot.conf" you must run "ybin" to make it take effect.