Here's the thrilling conclusion to last week's episode, namely, how to properly reformat — erase — your old Mac's hard disk so its data can never be recovered. First, back up the data on your old Mac ...

Mac OS X’s optical-disc-burning functionality has improved with every release, but one task remains a hassle: erasing rewriteable discs. As their name implies, rewriteable discs—more commonly known as ...

OS X’s Disk Utility—which enables you to format, partition, repair, and perform other kinds of maintenance on disks (including SSDs, flash drives, and disk images)—is good for what it does. Yet for ...