非root使用zhcon

首先我是突然明白了一个事情，为什么我用了vga=xxx之后zhcon突然能正常工作了，原因应该是启用了framebuffer.

后来发现我的zhcon不能用C-A-H,也不能切换输入法，网上一查说非root使用都不正常。
我sudo zhcon一试果然正常了，于是乎chmod g+s它，再运行时就正常了。

不过还有问题，就是提示符，之前不论是用原来的用户还是root,提示符都是正常的，是否显示用户名和电脑名并不重要，不过不显示路径太不爽了。

最后本决定放弃了，又把/usr/bin/zhcon的suid改回来了，但是突然发现非root也正常工作了！很神奇，但是不知道原理。但是，重启后又不行了。。。唉。

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