If you find yourself in a situation when you need to list your Mac specs or you just want know if you really got what you paid for, this is how you find them out.
If you want to make a clean install of the new OS X Mavericks or even the older versions of Mac OS X, than I strongly suggest you to create a bootable OS X key or a drive.
It is good from time to time to clear your browsing data, that has accumulated during browsing the web. In this lesson I will show you how to clear browsing data in Google Chrome.