[Editor’s note: This article is part of our series of articles on installing and upgrading to Lion (OS X 10.7). We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8).] ...

If your Mac has multiple bootable disks—via either a partitioned internal disk or external FireWire drives—you’re probably very familiar with the Startup Disk System Preferences panel. As you’d guess ...

I harbor no nostalgia for Mac OS 9. Aside from a couple of old games, I never even think about using OS 9 anymore. With one exception...I long for OS 9's simplicity in creating bootable drives and ...