Windows XP와 VIsta/7 환경변수 비교

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
%CommonProgramFiles%	{computername}	C:\Program Files\Common Files
%COMPUTERNAME%		{computername}
%COMSPEC%	C:\Windows\System32\cmd.exe	C:\Windows\System32\cmd.exe
%HOMEDRIVE%	C:	C: or sometimes D:
%HOMEPATH%	\Documents and Settings\{username}	\Users\{username}
%LOCALAPPDATA%		C:\Users\{username}\AppData\Local
%PATH%	C:\Windows\System32\;C:\Windows\;C:\Windows\System32\Wbem	Varies. Includes C:\Windows\System32\;C:\Windows\
%PATHEXT%	.COM; .EXE; .BAT; .CMD; .VBS; .VBE; .JS ; .WSF; .WSH	.COM; .EXE; .BAT; .CMD; .VBS; .VBE; .JS ; .WSF; .WSH; .MSC
%ProgramData%		C:\ProgramData
%PROGRAMFILES%	Directory containing program files, usually C:\Program Files	Directory containing program files, usually C:\Program Files
%ProgramFiles(x86)%		In 64-bit systems, directory containing 32-bit programs. Usually C:\Program Files (x86)
%PROMPT%	Code for current command prompt format. Code is usually $P$G	Code for current command prompt format. Code is usually $P$G
%Public%		C:\Users\Public
%SYSTEMDRIVE%	The drive containing the Windows XP root directory, usually C:	The drive containing the Windows  root directory, usually C:
%SYSTEMROOT%	The Windows XP root directory, usually C:\Windows	The Windows root directory, usually C:\Windows
%TEMP% and %TMP%	C:\DOCUME~1\{username}\LOCALS~1\Temp	C:\Users\{Username}\AppData\Local\Temp
%USERNAME%	{username}	{username}
%USERPROFILE%	C:\Documents and Settings\{username}	C:\Users\{username}
%WINDIR%	C:\Windows	Usually C:\Windows

출처

http://best-windows.vlaurie.com/environment-variables.html

http://windows7tips.com/environment-variables-windows-vista-7.html

에 있는 것을 Variable별로 merge한 내용임.