Transcription: Command line interfaces can look intimidating, but once you get the hang of sending mail, you'll find it to be fairly quick. We're using a typical Unix mail package. Your command line interface may look a little different, and you may have to use different commands. Talk with your system administrator to find out how your system works. We begin at the main prompt. That's the dollar sign you see here. Now type mail and Nautilus CD's address. nautiluscd.metatech.com and press the return key. Notice that the address is in all lowercase letters. That's important. Command line interfaces are sensit ...