Bing found the following results
Download Linux | Linux.org
Linux - Wikipedia
What is Linux? - Linux.com
What is Linux? - Red Hat
Get Ubuntu | Download | Ubuntu
Understanding Linux - Red Hat
An Introduction to Linux Basics | DigitalOcean
How to get started with Linux: A beginner's guide | PCWorld
The Complete Beginner's Guide to Linux - Linux.com
What is Linux? | Opensource.com