How to Start SAP from OS Level UNIX Operating System

Unix command to Start SAP from OS Level UNIX Operating System

Starting the SAP System in Unix

1. Log on to the appropriate server with the user which have SAP administrator authorization (<SID>adm)
 
fyi, startsap is the command used to start SAP/ Database or ALL.

2. Type in the following:
startsap ALL or startsap R3 or startsap DB.

1. DB starts the database system
2. R3 starts the instances and associated processes of the SAP System (using the sapstartprogram)
3. ALL starts both the database system and the SAP System. ALL is the default value and can be left out.

3. After you have started the database and the central instance, you can perform other actions within the CCMS. To check whether all application servers of an SAP System were started correctly, start the Alert Monitor (transaction RZ20) or the Overview of SAP Application Servers (transaction SM51).

and run some basic monitoring transaction codes to check the system is up and working fine.