[root@lulj_6 ~]# cat 1 aaa bbb ccc ddd 1:butong
[root@lulj_6 ~]# cat 2 aaa bbb ccc ddd 2:butong
取出相同行
[root@lulj_6 ~]# grep -wf 1 2 aaa bbb ccc ddd [root@lulj_6 ~]# grep -Fxf 1 2 aaa bbb ccc ddd
取出不同行
[root@lulj_6 ~]# grep -Fvxf <(grep -Fxf 1 2 ) 1 2 1:1:butong 2:2:butong 2:
