SY-DATUM : System date.

SY-UZEIT :  System time

SY-CPROG: Current program name
SY-REPID: Current program name
SY-UNAME: System username
SY-LANGU: System language
SY-LINNO:  Current line number
SY-ULINE: Horizontal line
SY-VLINE: Vertical Line
SY-TCODE : Current Transaction code
SY-SUBRC  :  returns 0 if previous statement executed successfully.
SY-TABIX: Stores internal table index.
SY-INDEX : Can be used as a counter in the loops.
SY-LSIND : returns list index.

Serkan AKKAVAK
Computer Engineer
SAP Department Deputy Manager
Contact : serkurumsal@yandex.com