Is it possible to use named files to access shared mem inside RTLinux instead of /dev/mem ? if ((fd = open("./file", O_RDWR)) < 0) { /* handle error here */ } ptr = mmap ..... bye steph -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] --- For more information on Real-Time Linux see: http://www.rtlinux.org/rtlinux/