/N = TO CANCEL TRANSACTION
/NXXX = CANCEL SPESIFIC TRANSACTION
/o = display overview session
/oxxx = initiate spesific transaction in new session
/nend = end logon with confirmation
/nex = end logon
/i = delete current session
SE11 = ABAP DICTIONARY
SE38 = ABAP EDITOR
SE37 = FUNCTION BUILDER
SE41 = INTERFACE PAINTER
SE51 = SCREEN PAINTER
SE80 = CLASS IN ABAP
