How to create a daemon in Bash in Linux

Following is how you can write a daemon in Bash in Linux

- Create script, say runner.sh
- Make it executable
  chmod 500 runner.sh
- Copy to directory /etc/init.d/
- Create link file to the script to have this file up and running
     ln -s /etc/init.d/runner.sh.sh /etc/rc.d/rc3.d/S43runner.sh
     ln -s /etc/init.d/runner.sh.sh /etc/rc.d/rc3.d/K43runner.sh