Identify the Version of Mac OS on the Recovery Partition

The Mac OS Recovery HD partition is a pretty handy troubleshooting tool that can also be used to reinstall or repair the Mac OS.

How to Use the Mac's Auto-Save and Versions Feature

What Is a Hackintosh Computer?

Create Your Own Mac Recovery HD on Any Drive

Installing Mac OS Updates From the App Store

How to Update Your MacBook Pro

Using the Mac's Recovery Disk Assistant

What Is a Hackintosh Computer?

Managing the Resume Feature in the Mac OS

Installing Mac OS Updates From the App Store