Windows常用环境变量
- %systemroot% == %windir% # C:\Windows
- %appdata% # C:\Users\%username%\AppData|Roaming
- %username% # 当前用户名
- %homepath% # \Users\%username%
- %userprofile% # C:\User\%username%
- %systemdrive% # C: 系统盘
- %homedrive% # C: 用户家目录盘符
- %os% # Windows_NT
- %temp% # C:\Users\%username%\AppData\Local\Temp
- %tmp% ditto