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Reti informatiche per la scuola - Prof.Roberto Bisceglia
 
   
 

Variabili di sistema in Windows

VariabileSignificato
%ALLUSERSPROFILE%Local returns the location of the All Users Profile.
%APPDATA%Local returns the location where applications store data by default.
%CD%Local returns the current directory string.
%CMDCMDLINE%Local returns the exact command line used to start the current cmd.exe.
%CMDEXTVERSION%System returns the version number of the current Command Processor Extensions.
%COMPUTERNAME%System returns the name of the computer.
%COMSPEC%System returns the exact path to the command shell executable.
%DATE%System returns the current date. This variable uses the same format as the date /t command. Cmd.exe generates this variable. For more information about the date command, see the Date command.
%ERRORLEVEL%System returns the error code of the most recently used command. A non-0 value usually indicates an error.
%HOMEDRIVE%System returns which local workstation drive letter is connected to the user's home directory. This variable is set based on the value of the home directory.
%HOMEPATH%System returns the full path of the user's home directory. This variable is set based on the value of the home directory.
%HOMESHARE%System returns the network path to the user's shared home directory. This variable is set based on the value of the home directory.
%LOGONSERVER%Local returns the name of the domain controller that validated the current logon session.
%NUMBER_OF_PROCESSORS%System specifies the number of processors installed on the computer.
%OS%System returns the OS name. Windows XP and Windows 2000 display the OS as Windows_NT.
%PATH%System specifies the search path for executable files.
%PATHEXT%System returns a list of the file extensions that the OS considers to be executable.
%PROCESSOR_ARCHITECTURE%System returns the processor's chip architecture. Values: x86, IA64.
%PROCESSOR_IDENTIFIER%System returns a description of the processor.
%PROCESSOR_LEVEL%System returns the model number of the computer's processor.
%PROCESSOR_REVISION%System returns the revision number of the processor.
%PROGRAMFILES%returns the location of the default install directory for applications.
%PROMPT%Local returns the command-prompt settings for the current interpreter. Cmd.exe generates this variable.
%RANDOM%System returns a random decimal number between 0 and 32767. Cmd.exe generates this variable.
%SYSTEMDRIVE%System returns the drive containing the Windows root directory (i.e., the system root).
%SYSTEMROOT%System returns the location of the Windows root directory.
%TEMP%System and User return the default temporary directories for applications that are available to users who are currently logged on. Some applications require TEMP and others require TMP.
%TMP%System and User return the default temporary directories for applications that are available to users who are currently logged on. Some applications require TEMP and others require TMP.
%TIME%System returns the current time. This variable uses the same format as the time /t command. Cmd.exe generates this variable. For more information about the time command, see the Time command.
%USERDOMAIN%Local returns the name of the domain that contains the user's account.
%USERNAME%Local returns the name of the user currently logged on.
%USERPROFILE%Local returns the location of the profile for the current user.
%WINDIR%System returns the location of the OS directory

 
Aggiornamento: 18-Lug-2015 15:36
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