每一个计算机软件都是由一系列的可执行文件组成的，可执行文件的内容是可以被机器识别的二进

制指令和数据。一般可执行文件的运行是在操作系统的照看下加载进内存并运行的，由操作系统给它分

配资源和处理器时间，并确定它的执行方式。操作系统也是由可执行文件组成的，但是操作系统的启动

方式和一般应用软件是不同的，这也就是它叫做“操作系统”的原因,-Each computer software is composed by a series of executable files, the contents of the executable file that can be machine readable binary instructions and data. General running the executable file is under the care of the operating system loaded into memory and run by the operating system to it to allocate resources and processor time, and to determine its means of implementation. The operating system is also composed by the executable file, but the operating system boot and general application software is different, which is why it is called " operating system"　reasons,