Introduction to UNIX - IndexThis introduction highlights the main features and concepts of UNIX and UNIX-like operating systems. It hopefully addresses a lot of the most frequently asked questions that come up when people sit down at a UNIX system for the first time or two.
These documents are geared toward the beginner, but hopefully there is something there for novice and veteran users alike.
Part 1 - Basic Concepts
Part 2 - Getting Started
Part 3 - The GUI
Part 4 - The Shell