Configuration options Compiler and runtime system can be controlled with several configuration settings. OPTIONS (Compilation)OPTIONS outside program blocks defines semantics of the language for the compiler.OPTIONS (Runtime)The OPTIONS instruction inside program blocks controls program behavior at runtime.Runtime configuration in FGLPROFILEThe behavior of the runtime system can be controlled with FGLPROFILE configuration parameters.DEFER INTERRUPT / QUITThe DEFER instruction defines the program behavior when interruption or quit signals are received.