How This Manual Is Organized
Part I: Reference
This part includes three sections:
- Programs
 - Directories
 - Files  
- Input
 - Output
 - Support
 
 
Part II: How Tos
This part includes how-to instructions for common activities that require you to use several programs.
Part III: Additional Reference
This part includes detailed technical and background information that may be useful to advanced users.
Hypertext links make it easy to jump between entries.
