I think the problem is that DOSBOX doesn't have access to the ATTRIB command. With Win9x, it's located in the C:\WINDOWS\COMMAND folder. Not sure where it's located with Win2000. You might have to do a search for ATTRIB.* to find it. Once you locate this command, copy it to a folder/drive that …

Is this a command line that you type at DOS? If so, perhaps you can create a batch file with this code in it. Click on the "Start" button and select "Run" and type "command". This'll open a DOS shell, regardless of which version of Windows you have. Change to the drive and folder/sub-directory that …