Master operating system development. FreeDOS Kernel explains the construction and operation of Pat Villani's DOS-C - a highly portable, single threaded operating system. Written in C and with system calls similar to MS-DOS, the FreeDOS kernel provides an excellent source code base for experimentation. Study it, modify it and use it without getting lost in the complexity of most microkernels. The book and companion disk include the full source code for an 80X86 kernel and support files. Achieve real platform independence with DOS compatibility. FreeDOS uses the de facto DOS hardware standards...