CmdExtVersion

From Environment Variables

CmdExtVersion environment variable returns the version number of the current Command Processor Extensions. Windows NT returns a value of "1". In Windows 2000, Windows XP and later return a "2". This version number will be incremented by one when significant enhancements are addedd to the Command Extensions. ^[1]

echo %CmdExtVersion%
2

Default value

The default value of CmdExtVersion environment variable is 2.

References

1. ↑ Environment Variable Reference

See also

• Getting and setting environment variables

AllUsersProfile | AppData | CD | ClientName | CmdCmdLine | CmdExtVersion | ComSpec | CommonProgramFiles | ComputerName | Date | ErrorLevel | HomeDrive | HomePath | LocalAppData | LogonServer | Number Of Processors | OS | Path | PathExt | Processor Architecture | Processor Identifier | Processor Level | Processor Revision | ProgramFiles | Prompt | Random | SessionName | SystemDrive | SystemRoot | Temp | Time | Tmp | UserDnsDomain | UserDomain | UserName | UserProfile | WinDir