I am having trouble opening /dev/port . I want to be able to read and write to io addresses that make up the printer port. I can open files but not /dev/port. Any suggestions Adrian -- Adrian Blake Molonglo Radio Observatory University of Sydney 1152 Hoskinstown Rd Bungendore 2621 ph. 02 62382262 mobile 0407 232 978 http://www.molonglo.physics.usyd.edu.au