Lexical Describes functions that can be used in expressions. Specify Describes valid values and expressions. CALL Transfers control to a labeled subroutine in a command prodecure and creates a new procedure level. DECK Marks the beginning of a special input stream. EOD Marks the end of a special input stream.
EXIT Terminates a command procedure.
GOTO Transfers control to a label in a command procedure. IF Executes a command only if an expression is true. ON Specifies an action to perform when a condition occurs. SET ON Sets error checking on or off. WAIT Suspends processing for a specified period of time.