What are the step involved before stopping R/3 system

A) Before stopping any R/3 system following steps are basic steps to be
performed.

• Before the R/3 System is stopped, the R/3 System administrator should check the:
• Check if any background jobs from any application server are active or have been triggered externally. Use transaction SM37
• Check if the background work process BTC is running in any application server.
• Check if any update records are open when the system is stopped, the records are rolled back and set to status init. At startup, the records are processed again.
• The administrator must decide whether to interrupt the jobs or wait until they are finished.
• Give system users advance warning of the system shutdown. To create a system message, you can use transaction SM02.
• Before shutting down the system, use transaction SM04 to check whether users are still logged on, and ask them to log off.
• The R/3 System administrator and administrators of external systems should also inform one another about data transfers between their respective systems.