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SYSTEM Fields related with R/3 System
SYSTEM Fields about Current Terminal Session
SYSTEM Fields related with current Date and Time
SYSTEM Fields related with Current ABAP Program
SYSTEM FIELDS for Background Processing and batch input
SYSTEM FIELDS For ABAP Programming
SYSTEM FIELDS for Screens
Selection Screens
SYSTEM FIELDS For Messages
위의 그룹으로 구분된 시스템필드입니다.