ot modules</H3>

Many modern operating system kernels, such as those of VSTa and Mach, do
not by themselves contain enough mechanism to get the system fully
operational: they require the presence of additional software modules at
boot time in order to access devices, mount file systems, etc.  While these
additional modules could be embedded in the main OS image along with the
kernel itself, and the resulting image be split apart manually by the OS
when it receives control, it is often more flexible, more sp