Batch Processing variable in Window System

% ALLUSERSPROFILE % returns the location of the "All users" configuration file locally. % APPDATA % local return the location where the application stores data by default. % CD % returns the current directory string locally. % CMDCMDLINE % local return the exact command line used to start the current Cmd.exe. % CMDEXTVERSION % The system returns the version number of the current "command handler extension. Www.2cto.com % COMPUTERNAME % the name of the computer returned by the system. % COMSPEC % The system returns the exact path of the executable program of the command line interpreter. % DATE % The system returns the current DATE. % ERRORLEVEL % The system returns the error code of the previous command. A non-zero value is usually used to indicate an error. % HOMEDRIVE % = partition of the currently started System (generally C: \) % HOMEPATH % = current user environment variable (generally C: \ Documents ents and Settings \ User Name) % HOMESHARE % The system returns the network path of the user's shared home directory. Set Based on the main directory value. The user home directory is specified in "local users and groups. % LOGONSERVER % local return the name of the domain controller that verifies the current logon session. % NUMBER_OF_PROCESSORS % Number of processors installed on the computer. % OS % The system returns the operating system name. Windows 2000 displays Windows _ NT as its operating system. % PATH % The system specifies the search PATH of the executable file. % PATHEXT % The system returns a list of file extensions that the operating system deems executable. % PROCESSOR_ARCHITECTURE % The system returns the processor's chip architecture. Value: x86 or IA64 is based on Itanium % PROCESSOR_IDENTFIER %. The system returns the processor description. % PROCESSOR_LEVEL % The system returns the model of the processor installed on the computer. % PROCESSOR_REVISION % The system returns the processor version number. Www.2cto.com % programfiles % = Program installation directory (generally C: \ Program Files) % PROMPT % returns the command PROMPT settings of the current interpreter locally. Generated by Cmd.exe. % Commonprogramfiles % = general file directory (generally C: \ Program Files \ Common Files) % RANDOM % The system returns any decimal number between 0 and 32767. Generated by Cmd.exe. % System % = system32 directory under the System installation disk (generally C: \ WINDOWS \ SYSTEM32) % system % indicates windows \ system UNDER 98, and winnt \ system32 under 2000 \, windows \ system32 folder % systemdrive % = partition of the currently started system under XP (generally C :\) % SystemRoot % = directory of the currently started System (generally C: \ WINDOWS) % TEMP % and % TMP % the system and the user return the default temporary directory used by the applications available to the current login user. Some applications require TEMP, while other applications require TMP. Www.2cto.com % TIME % The system returns the current TIME. % USERDOMAIN % local return the name of the domain containing the user account. % USERNAME % returns the name of the user currently logged on. % USERPROFILE % = current user data variable (generally C: \ Documents and Settings \ User Name) % windir % = % SystemRoot % = directory of the currently started System (generally C: \ WINDOWS) by yuelangyc