Start the MPM address space:
=============================
/S ORAMPM1       (subsystem name = MPM1)

Stop the MPM address space:
===========================
/MPM1 SHUTDOWN FORCE

Display worker Info.
====================
/MPM1 DISPLAY WQ

Start SVRMGRL from command line.
================================
/MPM1 oracle start svrmgrl command="shutdown"

Display Users.
==============
/MPM1 DISPLAY USERS

Display Oracle MPM Subsystems.
==============================
/MPM1 DISPLAY SUBSYSTEMS