The Disk Utility app received a major overhaul in OS X El Capitan, but Apple removed one key feature that is crucial to many Mac power users: RAID support. Thankfully, there’s a workaround, at least for now. Here’s how to create and manage RAID volumes in OS X El Capitan.
How to Create a USB or DVD Installer for OS X
UPDATE: Apple has changed the process for creating a USB installer with OS X Mavericks and the method below no longer works. For OS X Mavericks, see this updated process. With the release of OS X 10.7 Lion in 2011, Apple officially abandoned physical media for its operating system installations. Instead of a traditional disc, customers could now purchase and download OS X directly from the Mac App Store. This approach brought many benefits, such as not having to keep…