There are a few techniques that can restore a Mac to good operating condition. Try them before calling for help.
Solving Mac OS X Problems
Introduction To X11
Besides having its own familiar GUI interface, the Mac can run programs in an older windowing environment called X-windows.
Mac Programming
The Macintosh provides many ways to automate tasks. Whether you’re a beginner or an expert, you’ll find that all the programming tools you need come with every Mac.