Universals

This part of the Command Syntax Reference discusses general topics pertinent to using command syntax. The topics are divided into five sections:

• Commands explains command syntax, including command specification, command order, and running commands in different modes. In this section, you will learn how to read syntax charts, which summarize command syntax in diagrams and provide an easy reference. Discussions of individual commands are found in an alphabetical reference in the next part of this manual.
• Files discusses different types of files used by the program. Terms frequently mentioned in this manual are defined. This section provides an overview of how files are handled.
• Variables and Variable Types and Formats contain important information about general rules and conventions regarding variables and variable definition.
• Transformations describes expressions that can be used in data transformation. Functions and operators are defined and illustrated. In this section, you will find a complete list of available functions and how to use them.