Debug:xs（显示扩展内存状态）显示有关扩展内存状态的信息。语法xs 参数? 显示 debug 子命令列表。注释• Windows XP 和 Windows Server 2003 家族产品不使用该命令。只为了与现有的 MS-DOS 文件保持兼容性才包含此命令，但是因为其功能是自动实现的，所以在命令行使用时不起作用。 • 要使用扩展内存，必须安装符合 4.0 版 Lotus/Intel/Microsoft 扩展内存规范 (LIM EMS) 的扩展内存设备驱动程序。 • Debug.exe 按以下格式显示信息： Handle xx has xx pages allocatedPhysical page xx = Frame segment xxxx of a total xx EMS pages have been allocatedxx of a total xx EMS handles have been allocated 示例要显示扩展内存信息，请键入： xs xs 子命令显示与下面相似的信息： Handle 0000 has 0000 pages allocated Handle 0001 has 0002 pages allocated Physical page 00 = Frame segment C000 Physical page 01 = Frame segment C400 Physical page 02 = Frame segment C800 Physical page 03 = Frame segment CC00 2 of a total 80 EMS pages have been allocated 2 of a total FF EMS handles have been allocated