A Basis List of Commonly used SAP Transactions

AL11 View the SAP File Structure on the server
DB02 Database Monitor
DB20 Refresh Database Statistic by Table X
OSS1 SAPNet Support – OSS Link
PFCG Security Role Maintenance X
RZ10 System and Tuning Parameters
SE10 Transport and Change Organizer X
SE30 Transaction Run-Time Analysis
SE37 ABAP Function Editor X
SE38 ABAP Program Editor
SE93 Transaction Authorization Objects X
SM01 Lock Transactions
SM02 System Messages X
SM04 User Sessions
SM12 Table Locks X
SM13 Update Locks
SM19 User Security Audit Maintenance X
SM20 Audit Logs
SM21 System Logs X
SM37 Job Maintenance
SM50 Work Process Overview X
SM59 RFC Maintenance
SNOTE SAP Note Assistant X
SP01 Spool Output
SPAD Output Device Maintenance X
SPAM Support Package Application Manager
ST02 Tuning Summary X
ST03 Workload Analysis
ST03N Workload Analysis (Graphic) X
ST04 DB/2 Performance Monitor
ST05 Trace Requests X
ST06 Operating System Monitor
ST22 Short Dump Analysis X
STMS Transport Management System
SU01 User Maintenance X
SU02 Profile Maintenance
SU10 Mass User Change X
SU53 Missing User Authorizations