r2d2 - reading runlevels in 2 dimensionsal tables
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The traditional "SysV-init" expresses the setup for runlevels through
the filesystem. Usally several hundred links somewhere under /etc are
needed for that. This scheme is neither effective nor intuitive,
because the filesystem of the root-directory is not designed to
represent complex structures.
Usally the shell-script /etc/init.d/rc evalutates the information
expressed by the links during boot and runlevel switching. "r2d2" is
an alternative for it which solves the problems by substituting the
links by one single config file. Apart from the more intuitive
configuration file it's fully compatible with the traditional SysV
scheme. The man-page r2d2(8) explains usage of the script.

Please read r2d2(5) for an explanation of the configuration file
/etc/r2d2/runlevel.conf.
