---
tags:
  - Windows
---


| Variable | Description |
| --- | --- |
| `%ALLUSERSPROFILE%` | C:\\ProgramData |
| `%APPDATA%` | C:\\Users\\USERNAME\\AppData\\Roaming |
| `%COMMONPROGRAMFILES%` | C:\\Program Files\\Common Files |
| `%COMMONPROGRAMFILES(X86)%` | C:\\Program Files (x86)\\Common Files |
| `%COMSPEC%` | C:\\Windows\\System32\\cmd.exe |
| `%HOMEDRIVE%` | C:\\ |
| `%HOMEPATH%` | C:\\Users\\USERNAME |
| `%LOCALAPPDATA%` | C:\\Users\\USERNAME\\AppData\\Local |
| `%LOGONSERVER%` | \\DOMAIN\_LOGON\_SERVER |
| `%PATH%` | C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem |
| `%PATHEXT%` | .com;.exe;.bat;.cmd;.vbs;.vbe;.js;.jse;.wsf;.wsh;.msc |
| `%PROGRAMDATA%` | C:\\ProgramData |
| `%PROGRAMFILES%` | C:\\Program Files |
| `%PROGRAMFILES(X86)%` | C:\\Program Files (x86) |
| `%PROMPT%` | $P$G |
| `%SYSTEMDRIVE%` | C:  |
| `%SYSTEMROOT%` | C:\\Windows |
| `%TEMP%` | C:\\Users\\USERNAME\\AppData\\Local\\Temp |
| `%TMP%` | C:\\Users\\USERNAME\\AppData\\Local\\Temp |
| `%USERDOMAIN%` | Userdomain associated with current user. |
| `%USERDOMAIN_ROAMINGPROFILE%` | Userdomain associated with roaming profile. |
| `%USERNAME%` | USERNAME |
| `%USERPROFILE%` | C:\\Users\\USERNAME |
| `%WINDIR%` | C:\\Windows |
| `%PUBLIC%` | C:\\Users\\Public |
| `%PSMODULEPATH%` | %SystemRoot%\\system32\\WindowsPowerShell\\v1.0\\Modules\\ |
| `%ONEDRIVE%` | C:\\Users\\USERNAME\\OneDrive |
| `%DRIVERDATA%` | C:\\Windows\\System32\\Drivers\\DriverData |
| `%CD%` | Outputs current directory path. (Command Prompt.) |
| `%CMDCMDLINE%` | Outputs command line used to launch current Command Prompt session. (Command Prompt.) |
| `%CMDEXTVERSION%` | Outputs the number of current command processor extensions. (Command Prompt.) |
| `%COMPUTERNAME%` | Outputs the system name. |
| `%DATE%` | Outputs current date. (Command Prompt.) |
| `%TIME%` | Outputs time. (Command Prompt.) |
| `%ERRORLEVEL%` | Outputs the number of defining exit status of previous command. (Command Prompt.) |
| `%PROCESSOR_IDENTIFIER%` | Outputs processor identifier. |
| `%PROCESSOR_LEVEL%` | Outputs processor level. |
| `%PROCESSOR_REVISION%` | Outputs processor revision. |
| `%NUMBER_OF_PROCESSORS%` | Outputs the number of physical and virtual cores. |
| `%RANDOM%` | Outputs random number from 0 through 32767. |
| `%OS%` | Windows\_NT |