Windows XP 环境变量
%ALLUSERSPROFILE% C:\Documents and Settings\All Users
%APPDATA% C:\Documents and Settings\用户名\Application Data
%COMMONPROGRAMFILES% C:\Program Files\Common Files
%COMMONPROGRAMFILES(x86)% C:\Program Files (x86)\Common Files
%COMSPEC% C:\Windows\System32\cmd.exe
%HOMEDRIVE% C:
%HOMEPATH% C:\Documents and Settings\用户名
%PROGRAMFILES% C:\Program Files
%PROGRAMFILES(X86)% C:\Program Files (x86) (only in 64-bit version)
%SystemDrive% C:
%SystemRoot% C:\Windows
%TEMP% and %TMP% C:\Documents and Settings\用户名\Local Settings\Temp
%USERPROFILE% C:\Documents and Settings\用户名
%WINDIR% C:\Windows
Windows Vista / 7 环境变量
%ALLUSERSPROFILE% C:\ProgramData
%APPDATA% C:\Users\用户名\AppData\Roaming
%COMMONPROGRAMFILES% C:\Program Files\Common Files
%COMMONPROGRAMFILES(x86)% C:\Program Files (x86)\Common Files
%COMSPEC% C:\Windows\System32\cmd.exe
%HOMEDRIVE% C:
%HOMEPATH% C:\Users\用户名
%LOCALAPPDATA% C:\Users\用户名\AppData\Local
%PROGRAMDATA% C:\ProgramData
%PROGRAMFILES% C:\Program Files
%PROGRAMFILES(X86)% C:\Program Files (x86) (only in 64-bit version)
%PUBLIC% C:\Users\Public
%SystemDrive% C:
%SystemRoot% C:\Windows
%TEMP% and %TMP% C:\Users\用户名\AppData\Local\Temp
%USERPROFILE% C:\Users\用户名
%WINDIR% C:\Windows