Portable statements are documented in SAS Language Reference: Dictionary. Only the statements that are CMS-specific or that have CMS-specific behavior are documented in this section.
If the SAS statement is also described in SAS Language Reference: Dictionary, that information is not repeated here. Instead, each statement description includes "CMS specifics" information that explains how the statement works under CMS. Then you are referred to SAS Language Reference: Dictionary. For statements that are entirely CMS-specific, a full description is given.
The "Valid" information that follows the short description of each statement indicates whether the statement is valid only in a DATA step, or anywhere in a SAS program.
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