| Environment Variable | Description |
|---|---|
| %ALLUSERSPROFILE% | Location of All Users Profile |
| %APPDATA% | Location where applications store data by default |
| %COMPUTERNAME% | The name of the computer |
| %DATE% | The date in short format (e.g. DD/MM/YYYY) |
| %NUMBER_OF_PROCESSORS% | The number of processors installed on the computer |
| %PATH% | The paths used as default when running a command without a path (e.g. notepad.exe) |
| %PROCESSOR_ARCHITECTURE% | The processor architechture such as 32bit (x86) or 64bit (IA64) |
| %SYSTEMDRIVE%. | The drive in which the active Windows operating system is installed on |
| %TEMP% or %TMP% | Location of temp folder |
| %TIME% | Current time |
| %USERNAME% | Username of the user currently logged on |
| %USERPROFILE% | Location of the logged on user’s home folder |
| %WINDIR% | Location of Windows directory. |
Knowledge base for Windows, Mac & Assistive Technology.