Configuration and customizing :
1. SPRO/ SIMG
2. SM30
3. SM31
Data Access and Reporting:
4. SE16
5. SE11
6. SQVI
Security and Authorization:
7. SU01
8. SUIM
9. PFCG
Monitopring and Jobs:
10. SM37
11. SM36
12. SM13
13. SM21
Performance and Debugging:
14. ST05
15. ST22
16. SM59
17. ALT1
Programms and Objects:
18. SE38
19. SA38
20 SE80
