This guide will teach you everything you need to know about Ubuntu in easy-to-understand language. This guide is available to download as a free PDF. Download Ubuntu: A Beginner’s Guide now. system needs a display server, Central repository on altn.com for all types and forms of documentation relating to Alt-N’s products and services. InformationWeek.com: News, analysis and research for business technology professionals, plus peer-to-peer knowledge sharing. Engage with our community….