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Hobbyist operating system development is one of the more involved and technical options for a computer hobbyist. The definition of a hobby operating system can sometimes be vague. It can be from the developer's view, where the developers do it just for fun or learning; it can also be seen from the users view, where the users are only using it as a toy; or it can be defined as an operating system which doesn't have a very big user base. 〔 〕 Development can begin from existing resources like a kernel, an operating system or a bootloader, or it can also be made completely from scratch. The development platform could be a bare hardware machine, which is the nature of an operating system, but it can be developed and tested on a virtual machine. Since the hobbyist must claim more ownership for adapting a complex system to the ever changing needs of the technical terrain, much enthusiasm is common amongst the many different groups attracted to operating system development. ==Development== Elements of operating system development include: * Kernel: * * Bootstrapping * * Memory management * * Process management and scheduling * * Device driver management * * Program API * External Programs * User interface The C programming language is frequently used for hobby operating system programming, along with Assembly, though other languages can be used as well. The use of assembly language is more common with smaller systems, especially those based on eight bit microprocessors such as the MOS Technology 6502 family or the Zilog Z-80, or in systems with a lack of available resources because of its small output size and low-level efficiency.〔(Uses of assembly language )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hobbyist operating system development」の詳細全文を読む スポンサード リンク
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