Windows environement variables

Variable Windows XP Windows Vista/7 %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 %HOMEDRIVE% C: C: %HOMEPATH% \Documents and Settings{username} \Users{username} %LOCALAPPDATA% Only available in Windows Vista and newer versions C:\Users{username}\AppData\Local %LOGONSERVER% \{domain_logon_server} \{domain_logon_server} %PATH% C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem %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% $P$G $P$G %SystemDrive% C: C: %SystemRoot% C:\Windows C:\Windows %TEMP% and%TMP% C:\Documents and Settings{username}\Local Settings\Temp C:\Users{username}\AppData\Local\Temp %USERDOMAIN% {userdomain} {userdomain} %USERNAME% {username} {username} %USERPROFILE% C:\Documents and Settings{username} C:\Users{username} %WINDIR% C:\Windows C:\Windows %PUBLIC% Only available in Windows Vista and newer versions C:\Users\Public %PROGRAMDATA% Only available in Windows Vista and newer versions C:\ProgramData %PSModulePath% Only available if PowerShell is installed: %SystemRoot%\system32\WindowsPowerShell\v1.0\Modules\ %SystemRoot%\system32\WindowsPowerShell\v1.0\Modules\