我的shell输出，有不同的颜色，请问，各种颜色的含义分别是什么？
Usually, these rules may be correct:
Folder in blue
Executable File in green
Soft Link in light blue
Plain File in foreground color
However, it depends on your terminal's color scheme.
用file 文件名就知道是什么类型的了，至于配色什么的是可以改的，记着也没用啊= =