(1)linux应用之test命令详细解析
https://www.cnblogs.com/tankblog/p/6160808.html
(2)linux中test命令详解
https://blog.csdn.net/jjwyll/article/details/70879781
(1)linux应用之test命令详细解析
https://www.cnblogs.com/tankblog/p/6160808.html
(2)linux中test命令详解
https://blog.csdn.net/jjwyll/article/details/70879781