Sharing your internet connection with others through wifi, is easy. follow the steps and your Mac will emit a wifi signal. Step 1: Open System Preferences. Step 2: Open Sharing, in Internet and Wireless Section. Step 3: Select the Option of Internet Connection You Have on the Computer. I use ethernet connection. Any of the options on the list still work.
In OS X 10.7 operating system, the library folder is hidden by default. In this tutorial you will learn how bring the library folder back into finder. Step 1: Open Terminal. If you have any difficulties finding terminal, type in the Spotlight, Terminal. (top right corner on your screen)