thankyou bloodbat, But the issue is to make my old turbopascal programs run in x64. And the mentioned exec-statement is 1 out of more commands that do not work in dosbox. Is there a way to do this in dosbox on win 7 x64? I have now installed virtualbox and in that installed windows xp. In there the …

Qbix wrote: copy command.com to c:\jtdata I forgot to inform you: windows 7 64-bit version seems not to accept /use command.com (I have a command.com from vista copied to my new windows 7 pc. Is there a command.com somewhere in windows 7 (I can't find it). Help please..... Best regards Ant

How can I get this statemenet in a turbo pascal program to work in dosbox : exec('c:\jhdata\command.com','/c c:\jhdata\lotto\gevinlot.exe'); Best regards Ant