Windows Shell Command

http://www.geocities.com/rick_lively/MANUALS/ENV/INDEX.HTM

MS DOS
    %APPEND%
    %BLASTER%
    %COMSPEC%
    %COPYCMD%
    %DIRCMD%
    %DOSSHELL%
    %MSDOSDATA%
    %NO_SEP%
    %PATH%
    %PROMPT%
    %TEMP%
    %TZ%
additional variables in: MS WINDOWS
    %CMDLINE%
    %COMPUTERNAME%
    %TMP%
    %winbootdir%
    %windir%
    %WINPMT%
additional variables in: MS WINDOWS NT
    %ALLUSERSPROFILE%
    %APPDATA%
    %CD%
    %CMDCMDLINE%
    %CMDEXTVERSION%
    %COMMONPROGRAMFILES%
    %DATE%
    %ERRORLEVEL%
    %HOMEDRIVE%
    %HOMEPATH%
    %HOMESHARE%
    %LOGONSERVER%
    %MORE%
    %NUMBER_OF_PROCESSORS%
    %OS%
    %OS2LIBPATH%
    %PATHEXT%
    %PROCESSOR_ARCHITECTURE%
    %PROCESSOR_IDENTIFER%
    %PROCESSOR_LEVEL%
    %PROCESSOR_REVISION%
    %PROGRAMFILES%
    %RANDOM%
    %SESSIONNAME%
    %SYSTEMDRIVE%
    %SYSTEMROOT%
    %TIME%
    %USERDOMAIN%
    %USERNAME%
    %USERPROFILE%