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
 
...... pf=/usr/sap/<SID>/SYS/profile/<SID>_INSTANCE_host-server
 
3 - Execute the jsmon command
 
# jsmon pf=/usr/sap/<SID>/SYS/profile/<SID>_INSTANCE_host-server
 
You will get the screen bellow:

 
 
If you want to see the status, enter jsmon view
 
 
If you want to see the process status: enter process view
 
 
Enter "Exit" to leave jsmon.
 
Hope the helps you.