Our modern world is interconnected with advanced technologies. All aspects of our lives are dependent on our ability to measure space and time every day. “Where are we and what time is it”? These two basic questions connect us to all aspects of our
Balluff GM Powertrain International - USApdf,Page No. 3 of 55
Document No. CL-E BALLUFF
Version g 2.0
Original Date: 2009-06-18
Program Book/ Guidelines for products by BALLUFF
Revision date: 2014-02-11
Document Management Information
BNI PBS-504-000
Linux最强三剑客 sed grep awk 写的很不错，值得收藏。20192/19
不看绝对后悔的Lnux二剑客之aw实战精讲-飞得更高-51CTO博客
mail x mail var spool mail sbin nologin
uucp x uucp var spool uucp sbin nologin
思路
让所有单词排成一列,这样每个单词都是单独的一行
1)设置RS值为空格
2)将文件里面的所有空格替换为回奂行符n
3)grep所有连续的字母,grep-0参数让他们排成一
