ExplainShell:免费开Linux系统命令查询工具是一款有以色列人Idan Kamara开发的一款非常酷的linux命令查询网站，非常方便linux系统爱好者查询相关的命令，快速的理解命令行的详细说明。
凡是喜欢linux的用户都对命令记的不是那么详细，这时候就需要有一个快速查找命令并注有提示说明的工具来帮助我们了，ExplainShell这个非常酷的工具就可以帮助我们解决这个问题，而且这款工具是免费开源的，自己也可以架设一个来使用，该工具是从Ubuntu的manpage库中调出解释文本。界面非常漂亮。
ExplainShell源代码的下载地址:GitHub地址:https://github.com/idank/explainshell
ExplainShell 是采用Python开发的，使用了NLTK在manpase里搜索相关语义，Web界面使用了d3.js和Flask。服务器端用的是uwsgi和nginx。
This site contains 29761 parsed manpages from sections 1 and 8 found in Ubuntu's manpage repository. A lot of heuristics were used to extract the arguments of each program, and there are errors here and there, especially in manpages that have a non-standard layout.
It is written in Python and uses a bit of NLTK (to find the interesting parts of the manpage), a little d3.js (for the connecting lines graphic) and Flask. It is served with uwsgi and nginx.
