The solution to the AUX problem is on MSDN in an old MSDN article. Use the \\.\ syntax and reserved words like AUX have no meaning. If you want to delete a file called aux in c:\, you would do this (in CMD): del \\.\c:\aux Could a future modification to cygwin use this file naming format to allow files like aux? By the way, this only works under NT. -- Barubary -- Want to unsubscribe from this list? Check out: http://cygwin.com/ml/#unsubscribe-simple