cool站点推荐：whatisthatfile

打开你的任务管理器，你的系统中有许多程序在运行。你是否知道它们的用途？ 到whatisthatfile查查。

例如：我在我的任务管理器中发现有一个文件ccApp.exe正在运行，到whatisthatfile, 输入ccApp, 当你敲入最后一个字母p时，下面就会即时显示出结果:

ITPUB个人空间fA/QF.K9R T8rL

CCAPP.exe ITPUB个人空间1~*h E*DJl%M
Symantec Common Client CC App
B)aUe's2p0Process belonging to Norton AntiVirus. It is responsible for the auto-protect and email checking facilities, both of which will not function correctly if this service is stopped This file is usually safe.

ccapp.exe
Kiu5P2ygL_g$U'i0Symantec Common Client CC App ITPUB个人空间,q|ydga
ccapp.exe is a process belonging to Norton AntiVirus. It is responsible for the auto-protect and email checking facilities, both of which will not function correctly if this service is stopped. This program is important for the stable and secure running of your computer and should not be terminated. ccapp.exe is also a process belonging to the media.fastclick adware which creates advertising popups on your computer and sends Internet usage information back to it's company's servers. This is a registered security risk and should be terminated immediatly. Known to be a target for infections

当然，如果一个文件系统中还没收录而你知道，你也可以添加进来。或者你认为系统中的某个条目有差错，你可以进行修改或报告。人人为我，我为人人。