ABAP syst variables

Following are system variables in SAP ABAP:

SY-CPAGE – Holds Current Page Number
SY-CPROG – Contains Program Name
SY-CUCOL – Cursor Position ( Column)
SY-CUROW – Cursor Position (Line)
SY-DATLO – Local Date for User
SY-DATUM – System Date
SY-DATUD – Global Date Related To UTC ( GMT )
SY-DBCNT – Number of entries read by DB Operation
SY-DBNAM- Logical DB for ABAP/4 Program
SY-DBSYS – System DB System
SY-DYNNR- Number of Current Screen
SY-INDEX – Number Of Loop passes
SY-LANGU- SAP Log on Language Key
SY-LILLI – Number Of Current List Line
SY-LINCT – Number Of List Lines
SY-LINNO – Current Line for List Creation
SY-LINSZ – Line Size of List
SY-LISEL – Selected Line For Interactive List
SY-LSIND – Number Of Secondary List
SY-MANDT – Client Number For SAP Log On 21.SY-MSGID – Message ID
SY-MSGTY – Message Type
SY-MSGNO – Message Number
SY-MSGV1 – Message Variable1
SY-MSGV2 – Message Variable2
SY-MSGV3 – Message Variable3
SY-MSGV4 – Message Variable4
SY-OPSYS – Operating System
SY-PAART – Print Format
SY-PAGCT – Page Size of List in Report Program
SY-PAGNO – Current Page in the List
SY-PDEST – Print Output Device
SY-PFKEY – Run time Current F key Status
SY-REPID – Report Name in ABAP
SY-SAPRL – SAP Release
SY-SUBRC – Return Value after specific ABAP Statement
SY-SYSID – SAP system ID
SY-TABIX – Current line of Internal Table
SY-TCODE – Current Transaction Code
SY-TIMLO – Local Time Of User
SY-TITLE – Title of ABAP Program
SY-TMAXL – Maximum entries in a Internal Table
SY-TNAME – Name Of Internal Table after first Access
SY-UCOMM -Interact : Command field Function entry / Function code
SY-ULINE – Underline
SY-UNAME – Session : SAP user from Log On
SY-UZEIT – System Time
SY-VLINE – Vertical Bar