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August 13th, 2007

Why I Use a Test Mule

One good reason not to load beta operating system software on a computer with real data on it.

Today, while working with a certain beta operating system, I managed to lock myself out of my user account.

Well, I didn’t do the locking. The computer did. An error occurred as I was logging in,

Continue reading Why I Use a Test Mule

August 13th, 2007

Choosing Your Mac OS Startup Disk on the Fly

For folks who have two operating systems installed on their computer.

My “test mule” these days is a MacBook Pro. (I use the term “test mule” to identify the computer I use to run software on when I’m writing books and articles.) In preparation for writing a book about Leopard while I still had

Continue reading Choosing Your Mac OS Startup Disk on the Fly