List of ABAP-transaction codes related to SAP security

1	SU01	To create and maintain the users.
2	SU01D	To Display Users
3	SU10	For mass maintenance.
4	SU02	For Manual creation of profiles.
5	SU03	For Manual creation of authorization.
6	SU3	For setting Address and default parameters.
7	PFCG	For maintaining role using profile generator.
8	PFUD	For Comparing User master in Dialog.
9	SUPC	For generation of Mass profile.
10	SU24	For Maintaining Check Indicators and for Maintaining templates.
11	SU25	For initial Customer table fill.
12	SU20	Lists down the authorization fields.
13	SU21	Lists the Object classes and authorization objects.
14	SM01	For locking the transaction from execution.
15	SM19	Security audit - configuration.
16	SM20	Security audit - reporting.
17	SM30	For creation of table authorization groups and for maintaining assignments to tables
18	SCCL	For Local Client Copy on same system between different clients.
19	SCC9	For data exchange over the network and remote client copy between clients in different systems.
20	SCC8	Data exhange happens at operating system level, it supports Client transport.
21	STMS	Transport Management System
22	RZ10	Profile configuration
23	RZ11	Maintain profile parameters
24	SU53	To display last authority check that failed
25	SU56	Display User buffer
26	SE84	Information System for SAP R/3 Authorizations
27	SECR	Audit Information System
28	SE43	Maintain and display Area Menus
29	ST01	System Trace
30	SUGR	Maintain User groups
31	SUIM	User Information System
32	SU05	Maintain Internet Users
33	SMLG	Maintain Logon Group
34	ST02	Setups/Tune Buffers
35	SM02	System Messages
36	SM04	User Overview
37	SM12	Display and Delete Locks
38	SM13	Display Update Records
39	SM21	System Log
40	SM50	Work Process Overview
41	SM51	List of SAP Servers
42	SM59	Display/Maintain RFC Destinations
43	ST11	Display Developer Traces and error log files
44	ST22	ABAP/4 Runtime Error Analysis
45	SM35	Batch Input Monitoring
46	ST05	Performance trace