Startup, shutdown, and activity tracing

The server is controlled using the START (S), STOP (P) and MODIFY (F) z/OS® system commands. These commands are typically issued on a z/OS® system console.

Use START procname to start the server.

Use STOP procname to stop the server.

To enable activity tracing, usually as an IBM® support request, the following modify command can be used: 
F procname,APPL=TRACEON
To disable activity tracing, the following modify command can be used: 
F procname,APPL=TRACEOFF
To display the release and PTF level of the running server, the following modify command can be used: 
F procname,APPL=VER