“If you have a spare USB flash drive laying around, you should consider putting it to good use by creating a bootable installation drive for the OS X El Capitan Beta,” Jeff Benjamin writes for iDownloadBlog.
“Creating a bootable drive has many benefits and uses. For starters, it makes it easy to install a fresh copy of whatever operating system you have configured on the drive,” Benjamin writes. “Secondly, it makes it easy to install an operating system on a separate partition, or on a virtual machine. Lastly, it’s just smart business to always have a quickly accessible and portable installation media laying around.”
Benjamin writes, “In this tutorial and video walkthrough, I’ll show you how to create a bootable USB drive for OS X El Capitan in just a few easy steps.”
Easy instructions in the full article here.