You can't have files named like the old DOS devices: CON, LPT, AUX, PRN etc. This is originaly due to CP/M backwards compatibility, it didn't have directories s

You can't have files named like the old DOS devices: CON, LPT, AUX, PRN etc. This is originaly due to CP/M backwards compatibility, it didn't have directories so magic files were udde to pipe stuff to printers and other devices.