RVM主页
http://rvm.io/
建议人们使用安装RVM
bash < <( curl http://rvm.io/releases/rvm-install-head )
这是什么语法? command <( another_command)
command <( another_command)
不能原来的线? curl http://rvm.io/releases/rvm-install-head | bash
curl http://rvm.io/releases/rvm-install-head | bash
bash shell
bash ×1
shell ×1