XP環境変数のデフォルト値

変数	値
%ALLUSERSPROFILE%	C:\Documents and Settings\All Users
%APPDATA%	C:\Documents and Settings\%USERNAME%\Application Data
%CommonProgramFiles%	C:\Program Files\Common Files
%HOMEDRIVE%	C:
%HOMEPATH%	C:\Documents and Settings\%USERNAME%
%PROGRAMFILES%	C:\Program Files
%SYSTEMDRIVE%	C:
%SYSTEMROOT%	C:\WINDOWS
%TEMP%	C:\Documents and Settings\%USERNAME%\Local Settings\Temp
%TMP%	C:\Documents and Settings\%USERNAME%\Local Settings\Temp
%USERPROFILE%	C:\Documents and Settings\%USERNAME%
%USERNAME%	ログオンしているユーザー名
%WINDIR%	C:\WINDOWS

ref:
http://gtrz.s7.xrea.com/doc/winenv.php