SAP – transactions

To create or edit any transaction in SAP use transaction SE93.
List of all transaction names are stored in table TSTC (transaction SE16N).

SAP cross module

CODE	DESCRIPTION
SE01	Transport organizer (Extended view)
SCC1	Copy by Transport Requests
STMS	Transport Management System
SPAM	Support Package Manager
SU01	User Maintenance
SU53	Display Authorization Data for User (last authorization check is displayed here)
ST22	ABAP Runtime Error
SPRO	SAP Reference IMG - configuration place
PE03	Features Maintenance
SM30 or SM31	Tables and Views Maintenance

SE16 or SE16N	Table Data Maintenance
SM04	User List
SP02	List of Spool Requests
SO01	SAP Office - Inbox
LSMW	Legacy System Migration Workbench
SE38 or SA38	ABAP Editor
SE37	Function Builder
SE80	Object Navigator
SE11	ABAP Dictionaryr
CMOD	Project Management od SAP Enhancements