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Windows Environment Variables

Environment Variables from Wikipedia article:


Default Values on Microsoft Windows

Variable Windows XP Windows Vista
 %ALLUSERSPROFILE% C:\Documents and Settings\All Users C:\ProgramData
 %APPDATA% C:\Documents and Settings\{username}\Application Data C:\Users\{username}\AppData\Roaming
 %COMPUTERNAME% {computername} {computername}
 %COMMONPROGRAMFILES% C:\Program Files\Common Files C:\Program Files\Common Files
 %COMMONPROGRAMFILES(x86)% C:\Program Files (x86)\Common Files C:\Program Files (x86)\Common Files
 %COMSPEC% C:\Windows\System32\cmd.exe C:\Windows\System32\cmd.exe
 %HOMEPATH% \Documents and Settings\{username} \Users\{username}
 %PATH% C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;{plus program paths} C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;{plus program paths}
 %PATHEXT% .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.WSF;.WSH .com;.exe;.bat;.cmd;.vbs;.vbe;.js;.jse;.wsf;.wsh;.msc
 %PROGRAMFILES% C:\Program Files C:\Program Files
 %PROGRAMFILES(X86)% C:\Program Files (x86) (only in 64-bit version) C:\Program Files (x86) (only in 64-bit version)
 %PROMPT% Code for current command prompt format. Code is usually $P$G Code for current command prompt format. Code is usually $P$G
 %SystemRoot% The Windows directory, usually C:\Windows, formerly C:\WINNT C:\Windows
 %TEMP% and %TMP% C:\Documents and Settings\{username}\Local Settings\Temp C:\Users\{username}\AppData\Local\Temp
 %USERNAME% {username} {username}
 %USERPROFILE% C:\Documents and Settings\{username} C:\Users\{username}
 %WINDIR% C:\Windows C:\Windows


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