How to set up startup services in easy way in Debian

In Debian and most other linux distribution, startup files are stored in /etc/init.d/ directory and symbolic linked between /etc/rcX.d/ directory exists. Debian based and Red Hat/ Fedora based distro uses System V initialization scripts to start services at boot time from /etc/rcX.d/ directory. Debian have special utility to control startup files/services.

rcconf
It is a console based interactive utility that allows you to control which services are started when the system boots up or reboots. It displays a menu of all the services which could be started at boot. The ones that are configured to do so are marked and you can toggle individual services on and off. To install just using apt-get rcconf. To start rcconf, login as root user and type rcconf
# rcconf