System Organization

== System Organization ==

The NitrOS-9 Operating System is composed of groups of modules that work together to perform a common task. The following illustration shows the major modules and their position in the five-layer organization of NitrOS-9:

The NitrOS-9 Operating System is composed of groups of modules that work together to perform a common task. The following illustration shows the major modules and their position in the five-layer organization of NitrOS-9:

�The Kernel

== The Kernel ==

The kernel, as stated in the previous chapter, is the true core of NitrOS-9. All resource management and services, from memory allocation to the creation and destruction of processes, are supervised by this very important software component.

The kernel, as stated in the previous chapter, is the true core of NitrOS-9. All resource management and services, from memory allocation to the creation and destruction of processes, are supervised by this very important software component.

After the module search, NitrOS-9 links to the component modules it found. This is the secret to NitrOS-9’s ability to adapt to almost any 6809 computer. It automatically locates its required and optional component modules and rebuilds the system each time it is started.

After the module search, NitrOS-9 links to the component modules it found. This is the secret to NitrOS-9’s ability to adapt to almost any 6809 computer. It automatically locates its required and optional component modules and rebuilds the system each time it is started.

[[NitrOS-9's Unified I/O System]]

The VDG interface performs both interface and low-level routines for VDG Color Computer 2 compatible modes and has limited support for high resolution screen allocation.