1.代码雨 1.下载cmatrix文件 [root@localhost ~]# wget https://jaist.dl.sourceforge.net/project/cmatrix/cmatrix/1.2a/cmatrix-1.2a.tar.gz --2018-07-17 15:06:03-- https://jaist.dl.sourceforge.net/project/cmatrix/cmatrix/1.2a/cmatrix-1.2a.tar.gz Resolving jaist.dl.sourceforge.net (jaist.dl.sourceforge.net)... 1