linux用grep查找包含兩個關鍵字的命令
http://zhidao.baidu.com/link?url=VsFxeJXmU7W7hy1UH7eT6QAbUsVz9Ru2ABPuWYHWm4kBvE0ccLDwcvFi821FT5uWvgjJkNEgx80ICQaaR3HxMCr1BnLe8naTKZUwxseZ4qe
http://www.linuxidc.com/Linux/2016-01/127944.htm
##查詢歷史記錄
http://blog.sina.com.cn/s/blog_5caa94a00100gyls.html
history | grep zydeal