This list may help programmers in developing their software for Windows XP and 7. If I have missed any variables, notify me through the comments.
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Windows XP Environment variables
Windows 7 Environment variables
Variable | Windows Vista/7 |
%ALLUSERSPROFILE% (%PROGRAMDATA%) | C:ProgramData |
%APPDATA% | C:Users{username}AppDataRoaming |
%COMPUTERNAME% | {computername} |
%COMMONPROGRAMFILES% | C:Program FilesCommon Files |
%COMMONPROGRAMFILES(x86)% | C:Program Files (x86)Common Files |
%COMSPEC% | C:WindowsSystem32cmd.exe |
%HOMEDRIVE% | C: |
%HOMEPATH% | Users{username} |
%LOCALAPPDATA% | C:Users{username}AppDataLocal |
%LOGONSERVER% | {domain_logon_server} |
%PATH% | C:Windowssystem32;C:Windows;C:WindowsSystem32Wbem;{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}AppDataLocalTemp |
%USERDOMAIN% | {userdomain} |
%USERNAME% | {username} |
%USERPROFILE% | C:Users{username} |
%WINDIR% | C:Windows |
%PUBLIC% | C:UsersPublic |
%PROGRAMDATA% | C:ProgramData |
%PSModulePath% | %SystemRoot%system32WindowsPowerShellv1.0Modules |