开源的atop: linux下的类top监控工具，比top的功能强一些。 主要从/proc中取信息处理并显示。 -Open source atop: linux monitoring tools under the top of the class, some stronger than the top of the feature. Mainly from/proc to take in information processing and display.

Unix/Linux top工具最新源码，对想了解或修改top功能的，可以研读下，同时对了解/proc文件系统也有帮助。-Unix/Linux top tools for the latest source code, or modify the top of the wish to understand the function, you can read, the same time understanding the/proc file system can also help.