SAS Macro Facility under Windows

In general, the SAS macro language is portable across operating environments. This section discusses those components of the macro facility that have system dependencies. For more information, see SAS Macro Language: Reference.
The following aspects of the macro facility have details that are specific to Windows:
Note: The words CON, NUL, PRN, COM1 through COM9, and LPT1 through LPT9 are reserved words under Windows. Do not use these reserved words as the name of a macro variable.