A Tour of UNIX Operating System:The X Windows GUI for Unix
A window environment allows a user to interact with programs (including OS processes) using a “user-friendly” interface that facilitate the communication of commands and results.
Any “windowing environment” supports the following concepts:
- The Desktop: The use of Icons and special menus
- Windows: Move, resize, scroll, bring to front, etc.
- Pull Down Menus and the “point and click” GUIs