Stop auto Startup
 

How to permanently stop a particular application after reboot? Which file I need to look into? (eg.fully stop a Web Server after reboot)

It depends on the application you want to stop, and your particular distro.

In general, though, I'd look in the following places first:

1. /etc/inittab

2. The startup scripts (particularly those in /etc/rc3.d and /etc/rc5.d)

However, I'm guessing (based on the forum you posted to) that your distro is probably OpenSolaris (vs Unix or BSD, for example), and I understand that newer versions of Solaris (Solaris 10 and up) are now using "services" instead of classic "run levels".

So this FAQ might also give you some pointers:

http://opensolaris.org/os/community/smf/faq/#toc0

'Hope that helps .. PSM

Yes, but some services like web server can't be stop in the "services". Solaris is using /etc/init.d, I still yet to figure how to stop reboot.

If your service added on smf and it is enabled on there you will have to disable (it means no point of stopping at /etc/init.d) smf having seperate startup srcipt at /lib/svc/method and these files are called by smf manifest xml(manifest at /var/svc/manifest)

TO check the service status
#svcs -l http or
#svcs | grep http

To stop the service
#svcadm disable http

Above given link have brief instruction I think it will help you to understand smf(system management facility)