[20:30:30 root@CentOS8 ~]#ls anaconda-ks.cfg [20:30:31 root@CentOS8 ~]#echo {1..10} > a.txt [20:30:41 root@CentOS8 ~]#cat a.txt 1 2 3 4 5 6 7 8 9 10 [20:30:44 root@CentOS8 ~]#echo {5..10} >> a.txt [20:30:58 root@CentOS8 ~]#cat a.txt 1 2 3 4 5 6 7 8 9 10 5 6 7 8 9 10
原文:https://www.cnblogs.com/kevin306/p/14514045.html