How to make a back up of OS in macBook Pro 13 inch.
Step by step please,i am a new user to OS X Mountain Lion.
Welcome to the Apple Support Communities
You have two ways:
1. Using Time Machine. See > http://support.apple.com/kb/HT1427
2. Clone the disk using Carbon Copy Cloner
You can use the one you want, but I recommend to do both of them, so your files will be safe
Retrieving data ...