linux里实现sl跑火车

下载yum源(Centos 7 为例)
[root@localhost ~]# wget http://mirror.centos.org/centos/7/extras/x86_64/Packages/epel-release-7-9.noarch.rpm
安装yum源
[root@localhost ~]# yum install -y epel-release-7-9.noarch.rpm
安装sl命令
[root@localhost ~]# yum install -y sl

安装过程需要联网

输入sl命令:

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转载自blog.csdn.net/likunkun__/article/details/82793785
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