Virtual memory exists in harddisk in form of page file in windows XP,it is an extension of limited physical memory,it plays a vital role in giving the whole system a quick and steady running.

• WindowsXP中的虚拟内存以页面文件的形式存在硬盘上,它是对有限物理内存空间的扩充,对整个系统快速稳定地运行起着至关重要的作用。