Therefore, the best routine for permissions fixes is to use the version of Disk Utility that came with your operating system.

There are several common ways people can verify file system integrity in OS X, including booting to Safe Mode, using Disk Utility, or running the 'fsck' tool. These options have had some people ...

For years I've been deploying Macs by using Disk Utility to image the boot drive from a .dmg file. Aside from having to make a new image every time new hardware comes out it's a very convenient ...

The Mac operating system requires that you use a disk formatted using a compatible file system. You can use the built-in Disk Utility to format your drives to ensure compatibility.

When you install Mountain Lion or Lion, the installer creates an invisible, bootable, 650MB partition—a portion of a drive the operating system treats as a separate volume—on your startup ...

This how-to goes through the steps of formatting a startup drive using Disk Utility 15 in El Capitan. If you’re using an older version of Disk Utility, the steps are here.