SHD_CHECK :- Test Screen Variants and GuiXT
SHD_SWITCH :- Activate Standard Variant User
SHD0 :- Transaction and Screen Variants
SHD0_MANDT :- Client Dependent Tr. Variants
SHD1 :- Internal: Variant transaction call
SHDG :- Global Fields: Change and Display
SHDI :- Transaction Variant Image Archive
SHDS :- Internal: Save transaction variant
STCTRL_COPY :- Copy Table Control User Settings
STCUP :- Table control variants upgrade
