You want to know what is the status of an SAP Java System using the command line: jsmon.
1 - Login at OS Level as user <sid>adm
# su - <sid>adm
2 - Find the profile used:
# ps -ef | grep <sid>adm | grep pf
3 - Execute the jsmon command
You will get the screen bellow:
If you want to see the process status: enter process view
Enter "Exit" to leave jsmon.
Hope the helps you.