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Howto > Batch Howto

How To Determine The Operating System?

Requested and Answered by Frank-Peter Schultze [webmaster] on 06-Sep-2005 17:40 (14425 reads)

The VER command displays the operating system version, for example:

C:\TEMP>ver

Microsoft Windows XP [Version 5.1.2600]

C:\TEMP>_

If you need to check the OS in a batch file you just have to examine VER's output with FIND or FINDSTR. The code below shows how to check if a batch file runs on Windows 9x or Windows NT/2K/XP:

 @Echo Off
  Ver | Find "95" >NUL
  If Not ErrorLevel 1 Goto Win9x
  Ver | Find "98" >NUL
  If Not ErrorLevel 1 Goto Win9x
  Ver | Find "Millennium" >NUL
  If Not ErrorLevel 1 Goto Win9x
  Ver | Find "NT" >NUL
  If Not ErrorLevel 1 Goto WinNT
  Ver | Find "2000" >NUL
  If Not ErrorLevel 1 Goto WinNT
  Ver | Find "XP" >NUL
  If Not ErrorLevel 1 Goto WinNT
  Echo Unsupported Operating System
  Goto :EOF
 :Win9x
::Windows 9x/ME code
  :
  :
  Goto :EOF
 :WinNT
::Windows NT code
  :
  :
  Goto :EOF

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