Did you try \\\\ ? I do that kind of thing on windows all the time. -----Original Message----- From: Frank Benoit [mailto:mail02 / frankbenoit.de] Sent: Tuesday, January 01, 2002 5:45 PM To: ruby-talk ML; undisclosed-recipients: Subject: [ruby-talk:30009] Re: Execing command with backquotes now I have a workaround, but it ist ugly!!! Because now I have an output I don't want and I cannot examine this output as I wanted: I can execute the xcopy like this system( "cmd.exe", "/c", "xcopy /s /e #{sourceroot}*.* #{targetdirectory}" )