Radon is a cancer-causing, radioactive gas. You can't see radon, you can't smell it or taste it, but it may be a problem in your home. Radon is estimated to cause many thousands of deaths each year. That's because when you breathe air containing radon, you can get lung cancer.
1. KolibriOS: Smallest GUI OS. Kolibri is the smallest GUI operating system. It was forked off from MenuetOS. Written completely in assembly language, it is available in two versions: 1.44MB with essential features and 3MB with additional features.lax is a modern, live, pocket operating system based on Slackware Linux. Despite its small size of 220MB, it contains essential apps for basic computing, and you can extend its functionality using modules.
Chrome OS is targeted initially towards netbooks, super small notebooks designed primarily for Web browsing. Although some netbooks were sold with Linux, the consumer preference tended toward Windows XP, and then consumers decided that maybe the novelty wasn't worth it.