A "One Laptop Per Child" machine. The XO comes from the project's logo that depicts a person's body as an "X" with an "O" on top for the head. See OLPC. XO laptops use a custom Red Had Fedora OS ...

Aimed at helping educate children in the poorest developing countries, OLPC's G1G1 (Give One Get One) promotion asks Amazon.com customers to buy either an XO laptop for $199, or buy one laptop to ...