Oracle 10.1.0.3 installation to Oracle 10.1.05 upgrade patchset

While upgrading to 10.1.0.5, we need to stop the cssd.bin .
How do we do it:
-goto /etc/init.d directory
-say ./init.cssd stop
it will stop the css demon saying
Shutting down CRS demon
Shutting down EVM demon
Shutting down CSS demon.
go back to continue with patchset installation ..

finish.