Perform sophisticated partition operations on your hard disk.
You shouldn't be using the OS X Yosemite Beta as your primary operating system, so Brian Tong shows you how to partition your Mac's hard drive.
Normally $36, this handy utility includes a "Windows to go" feature for creating a bootable Windows flash drive.
If you cannot seem to load the OS X Recovery HD partition to use various diagnostics and repair tools, the fix may be quick, but could also require a longer reinstallation.
If partitioning a drive with Disk Utility gives you unmount or resource busy errors, there may be workarounds you can use.
If you need to partition your live hard drive, Norton PartitionMagic 8 is still the application to beat.
If you have a specific volume on your Mac that you would like to keep from being edited when attached, here's how to protect it.
Without an intact Recovery HD partition on your Mac, you will not be able to use Apple's FileVault disk encryption feature.
If your Recovery HD partition in OS X Lion is missing or not working, then it may be easy to get working with just a few steps.
Installing OS X Lion sets up a hidden recovery partition on most systems, but if for some reason this is missing, then there are some options for restoring or otherwise using the functions this partition offers.
Partition your hard drive so you won't need to back up media if you need to reinstall your OS later.