This is a basic introduction to Linux. It answers two questions: what is GNU/Linux? And what it can offer its users? See the advantages for yourself.
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A few key features I forgot to mention in the video:
GNU/Linux operating systems are MUCH less susceptible to viruses -- HUGE plus! You don't have to pay annually for any antivirus software or worry about your PC data being compromised in ways that Windows is vulnerable.
GNU/Linux operating systems use less system resources than Windows, allowing most machines to run much faster with GNU/Linux installed. Much. Faster.
TRY IT! - For those looking to switch to Linux from Windows or give it a try without installing it on your machine. Ubuntu is Free Your Mind's primary GNU/Linux distribution of choice. You can download and learn about this brilliant OS at http://ubuntu.com/desktop.