This document explains how to gather basic information about a computer running Mac OS X.
To find the Mac OS version and memory information, go to the Apple menu and choose About This Mac.
The About This Mac window should look similar to this:
To get infomation about the hard drive, click once on Storage to select it.
This window gives detail information on how the hard disk is utilized
OS X includes a utility called System Report that provides more advanced information about the system. In the About This Mac window, click the System Report... button to open System Report.