Windows XP and Windows 7 Environment Variables List

01/10/2011
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Windows XP  Environment variables

Variable Windows XP
%ALLUSERSPROFILE% (%PROGRAMDATA%) C:\Documents and Settings\All Users
%APPDATA% C:\Documents and Settings\{username}\
Application Data
%COMPUTERNAME% {computername}
%COMMONPROGRAMFILES% C:\Program Files\Common Files
%COMMONPROGRAMFILES(x86)% C:\Program Files (x86)\Common Files
%COMSPEC% C:\Windows\System32\cmd.exe
%HOMEDRIVE% C:
%HOMEPATH% \Documents and Settings\{username}
%LOCALAPPDATA% Not available
%LOGONSERVER% \\{domain_logon_server}
%PATH% C:\Windows\system32;C:\Windows;C:
\Windows\System32\Wbem;{plus
program paths}
%PATHEXT% .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;
.WSF;.WSH
%PROGRAMFILES% C:\Program Files
%PROGRAMFILES(X86)% C:\Program Files (x86)
(only in 64-bit version)
%PROMPT% Code for current command prompt
format. Code is usually $P$G
%SystemDrive% C:
%SystemRoot% The Windows directory, usually
C:\Windows, formerly C:\WINNT
%TEMP% and %TMP% C:\Documents and Settings\
{username}\Local Settings\Temp
%USERDOMAIN% {userdomain}
%USERNAME% {username}
%USERPROFILE% C:\Documents and Settings\{username}
%WINDIR% C:\Windows
%PUBLIC%
%PROGRAMDATA% Only available in Windows Vista
and newer versions
%PSModulePath%

Windows 7 Environment variables

Variable Windows Vista/7
%ALLUSERSPROFILE% (%PROGRAMDATA%) C:\ProgramData
%APPDATA% C:\Users\{username}\AppData\
Roaming
%COMPUTERNAME% {computername}
%COMMONPROGRAMFILES% C:\Program Files\Common Files
%COMMONPROGRAMFILES(x86)% C:\Program Files (x86)\Common Files
%COMSPEC% C:\Windows\System32\cmd.exe
%HOMEDRIVE% C:
%HOMEPATH% \Users\{username}
%LOCALAPPDATA% C:\Users\{username}\AppData\Local
%LOGONSERVER% \\{domain_logon_server}
%PATH% C:\Windows\system32;C:\Windows;C:\
Windows\System32\Wbem;
{plus program paths}
%PATHEXT% .com;.exe;.bat;.cmd;.vbs;.vbe;.js;.jse;.
wsf;.wsh;.msc
%PROGRAMFILES% C:\Program Files
%PROGRAMFILES(X86)% C:\Program Files (x86) (only in 64-bit version)
%PROMPT% Code for current command prompt format. Code is usually $P$G
%SystemDrive% C:
%SystemRoot% C:\Windows
%TEMP% and %TMP% C:\Users\{username}\AppData\Local\Temp
%USERDOMAIN% {userdomain}
%USERNAME% {username}
%USERPROFILE% C:\Users\{username}
%WINDIR% C:\Windows
%PUBLIC% C:\Users\Public
%PROGRAMDATA% C:\ProgramData
%PSModulePath% %SystemRoot%\system32\WindowsPowerShell\v1.0\Modules\
Reference
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