<P> The following tables shows typical default values of certain environment variables under English versions of Windows as they can be retrieved under CMD . </P> <P> (Some of these variables are also defined when running COMMAND.COM under Windows, but differ in certain important details: Under COMMAND.COM, the names of environment variable are always uppercased . Some, but not all variables contain short 8.3 rather than long file names . While some variables present in the CMD environment are missing, there are also some variables specific to the COMMAND environment .) </P> <Table> <Tr> <Th> Variable </Th> <Th> Locale specific </Th> <Th> Windows XP (CMD) </Th> <Th> Windows Vista / 7 / 8 (CMD) </Th> </Tr> <Tr> <Td>% ALLUSERSPROFILE% </Td> <Td> Yes </Td> <Td> C: \ Documents and Settings \ All Users </Td> <Td> C: \ ProgramData </Td> </Tr> <Tr> <Td>% APPDATA% </Td> <Td> Yes </Td> <Td> C: \ Documents and Settings \ (username) \ Application Data </Td> <Td> C: \ Users \ (username) \ AppData \ Roaming </Td> </Tr> <Tr> <Td>% CommonProgramFiles% </Td> <Td> Yes </Td> <Td> C: \ Program Files \ Common Files </Td> <Td> C: \ Program Files \ Common Files </Td> </Tr> <Tr> <Td>% CommonProgramFiles (x86)% </Td> <Td> Yes </Td> <Td> C: \ Program Files (x86) \ Common Files (only in 64 - bit version) </Td> <Td> C: \ Program Files (x86) \ Common Files (only in 64 - bit version) </Td> </Tr> <Tr> <Td>% CommonProgramW6432% </Td> <Td> Yes </Td> <Td>% CommonProgramW6432% (not supported, not replaced by any value) </Td> <Td> C: \ Program Files \ Common Files (only in 64 - bit version) </Td> </Tr> <Tr> <Td>% COMPUTERNAME% </Td> <Td> No </Td> <Td> (computername) </Td> <Td> (computername) </Td> </Tr> <Tr> <Td>% ComSpec% </Td> <Td> No </Td> <Td> C: \ Windows \ System32 \ cmd. exe </Td> <Td> C: \ Windows \ System32 \ cmd. exe </Td> </Tr> <Tr> <Td>% HOMEDRIVE% </Td> <Td> No </Td> <Td> C: </Td> <Td> C: </Td> </Tr> <Tr> <Td>% HOMEPATH% </Td> <Td> Yes </Td> <Td> \ Documents and Settings \ (username) </Td> <Td> \ Users \ (username) </Td> </Tr> <Tr> <Td>% LOCALAPPDATA% </Td> <Td> Yes </Td> <Td>% LOCALAPPDATA% (not supported, not replaced by any value) </Td> <Td> C: \ Users \ (username) \ AppData \ Local </Td> </Tr> <Tr> <Td>% LOGONSERVER% </Td> <Td> No </Td> <Td> \ \ (domain_logon_server) </Td> <Td> \ \ (domain_logon_server) </Td> </Tr> <Tr> <Td>% PATH% </Td> <Td> Yes </Td> <Td> C: \ Windows \ system32; C: \ Windows; C: \ Windows \ System32 \ Wbem; (plus program paths) </Td> <Td> C: \ Windows \ system32; C: \ Windows; C: \ Windows \ System32 \ Wbem; (plus program paths) </Td> </Tr> <Tr> <Td>% PATHEXT% </Td> <Td> No </Td> <Td>. COM;. EXE;. BAT;. CMD;. VBS;. VBE;. JS;. WSF;. WSH </Td> <Td>. com;. exe;. bat;. cmd;. vbs;. vbe;. js;. jse;. wsf;. wsh;. msc </Td> </Tr> <Tr> <Td>% ProgramData% </Td> <Td> Yes </Td> <Td>% ProgramData% (not supported, not replaced by any value) </Td> <Td>% SystemDrive% \ ProgramData </Td> </Tr> <Tr> <Td>% ProgramFiles% </Td> <Td> Yes </Td> <Td>% SystemDrive% \ Program Files </Td> <Td>% SystemDrive% \ Program Files </Td> </Tr> <Tr> <Td>% ProgramFiles (x86)% </Td> <Td> Yes </Td> <Td>% SystemDrive% \ Program Files (x86) (only in 64 - bit version) </Td> <Td>% SystemDrive% \ Program Files (x86) (only in 64 - bit version) </Td> </Tr> <Tr> <Td>% ProgramW6432% </Td> <Td> Yes </Td> <Td>% ProgramW6432% (not supported, not replaced by any value) </Td> <Td>% SystemDrive% \ Program Files (only in 64 - bit version) </Td> </Tr> <Tr> <Td>% PROMPT% </Td> <Td> No </Td> <Td> Code for current command prompt format, usually $P $G </Td> <Td> Code for current command prompt format, usually $P $G </Td> </Tr> <Tr> <Td>% PSModulePath% </Td> <Td> </Td> <Td>% PSModulePath% (not supported, not replaced by any value) </Td> <Td>% SystemRoot% \ system32 \ WindowsPowerShell \ v1. 0 \ Modules \ </Td> </Tr> <Tr> <Td>% PUBLIC% </Td> <Td> Yes </Td> <Td>% PUBLIC% (not supported, not replaced by any value) </Td> <Td>% SystemDrive% \ Users \ Public </Td> </Tr> <Tr> <Td>% SystemDrive% </Td> <Td> No </Td> <Td> C: </Td> <Td> C: </Td> </Tr> <Tr> <Td>% SystemRoot% </Td> <Td> No </Td> <Td> The Windows directory, usually C: \ Windows, formerly C: \ WINNT </Td> <Td>% SystemDrive% \ Windows </Td> </Tr> <Tr> <Td>% TEMP% and% TMP% </Td> <Td> Yes </Td> <Td>% SystemDrive% \ Documents and Settings \ (username) \ Local Settings \ Temp </Td> <Td>% SystemRoot% \ TEMP (for system environment variables% TMP% and% TEMP%),% USERPROFILE% \ AppData \ Local \ Temp (for user environment variables% TMP% and% TEMP%) </Td> </Tr> <Tr> <Td>% USERDOMAIN% </Td> <Td> No </Td> <Td> (userdomain) </Td> <Td> (userdomain) </Td> </Tr> <Tr> <Td>% USERNAME% </Td> <Td> No </Td> <Td> (username) </Td> <Td> (username) </Td> </Tr> <Tr> <Td>% USERPROFILE% </Td> <Td> Yes </Td> <Td>% SystemDrive% \ Documents and Settings \ (username) </Td> <Td>% SystemDrive% \ Users \ (username) </Td> </Tr> <Tr> <Td>% windir% </Td> <Td> No </Td> <Td>% SystemDrive% \ WINDOWS </Td> <Td>% SystemDrive% \ Windows </Td> </Tr> </Table> <Tr> <Th> Variable </Th> <Th> Locale specific </Th> <Th> Windows XP (CMD) </Th> <Th> Windows Vista / 7 / 8 (CMD) </Th> </Tr>

What is the default value of path environment variable
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