How to start service OpManager in linux

How to start service OpManager in linux

hi

i have problem
i want to start service OpManager automaticly but if i close my terminal service opmanager is shutdown.

i have refered http://forums.manageengine.com/forumHome.do?forumGroupId=49000000002007&forumTopicId=49000002634503


but i have error env : /etc/init.d/opmanager  no such file or directory

please give me advice

thanks
didik p