Our GNU/Linux systems are running the Ubuntu distribution. The links below take you to official Ubuntu documentation files.
Ubuntu Desktop Guide - HTML, PDF
In the past, our systems ran Red Hat 9, and much of their documentation (below) still applies. For documentation mistakes, see their Errata page.
x86 Installation Guide
Getting Started Guide
Customization Guide
Reference Guide
Security Guide
System Administration Primer
Glossary
x86 Release Notes
PDF (40 KB)