摘要： http://blog.csdn.net/pan_tian/article/details/7685815grep语法grep 'word' filenamegrep 'string1 string2' filenamecat otherfile | grep 'something'command | grep 'something'command option1 | grep 'data'grep --color 'data' fileName基本的用法在某个文件里搜索error字符串$ grep 阅读全文