For example, it includes a shell (the program that provides a command prompt and lets you run programs), a program to copy files, a program to delete files, and many other odds and ends.

例如，操作系统包含shell(shell程序提供命令提示符并且可以让你运行命令)、拷贝文件的程序、删除文件的程序还有其它这类东西。