SAP Client/Server Technology tcodes

BDCUPDATE :- Test Update in Batch Input
SARFC :- Server Resources for Asynchr. RFC
SM02 :- System Messages
SM04 :- User List
SM13 :- Administrate Update Records
SM14 :- Update Program Administration
SM50 :- Work Process Overview
SM51 :- List of SAP Systems
SM52 :- Virtual Machine Overview
SM54 :- TXCOM Maintenance
SM55 :- THOST Maintenance
SM56 :- Number Range Buffer
SM5A :- RFC Chain Analysis
SM5B :- Maintenance of DPTIMETAB
SMGW :- Gateway Monitor
SMMS :- Message Server Monitor