1.1计算机操作系统

1.1.1 什么是计算机操作系统

操作系统（Operating System,OS）：是一种系统软件，它在计算机硬件与计算机应用程序之间，通过提供应用程序接口（Application Programming Interface,API），屏蔽了计算机硬件工作的一些细节，从而使应用程序的设计人员得以在友好的平台上进行应用程序的设计和开发，大大提高了应用程序的开发效率。(Operating system (Operating System OS) is a kind of system software, it is between the computer hardware and computer applications, by providing application program interface (Application Programming Interface, API), some of the details of the shielding of computer hardware work, allowing designers to design the application and application development in a friendly on the platform, greatly improve the efficiency of application program development.)