Linux Run Levels (Part 1 of 2) - UbuntuLinux Run Levels (Part 1 of 2) - Part 1 covers run-levels, upstart and config files and commands to control startup and shutdown daemons and services in Ubuntu distributions. Part 2 covers these features for Red Hat and Fedora distributions of Linux.
Linux Run Levels (Part 2 of 2) - Red Hat and Fedora