https://baijiahao.baidu.com/s?id=1712518976709206113&wfr=spider&for=pc
https://blog.csdn.net/TomorrowAndTuture/article/details/117448932
-
文件描述符0,1,2
https://blog.csdn.net/icanlove/article/details/38018169
2>&1:表示将错误输出到控制台 -
>/dev/null 2>&1
https://www.jb51.net/article/106373.htm -
&> 与>
https://blog.csdn.net/weixin_34062469/article/details/91770118
0 条评论