grep的用法
摘要：
首先创建我们练习grep命令时需要用到的demo文件demo_file。$ cat demo_fileTHIS LINE IS THE 1ST UPPER CASE LINE IN THIS FILE.this line is the 1st lower case line in this file... 阅读全文
posted @ 2014-08-11 14:50 星辰大海ゞ 阅读(287) 评论(0) 推荐(0) 编辑