How would I go about getting it to run as non-root?=20 This is what I did to get it operational=20 ~~=20 cd /dev; test -c ttyS4 || /MAKEDEV ttyS4; chmod 666 /dev/ttyS4=20 setserial /dev/ttyS4 uart 16550A port (?) IRQ 9=20 baud_base 115200 spd_vhi skip_test=20 ln -sf /dev/ttyS4 /dev/modem=20 ~~=20 Should I make ttyS4 777; or can links have permissions as well?=20 ~~=20 root@bmike1:~# ls -l /dev/modem=20 lrwxrwxrwx 1 root root 10 Aug 14 15:09 /dev/modem -> /dev/t= tyS4=20 root@bmike1:~#=20 ~~=20 Never mind the link already has unrestricted access=2E=20 So what do I need to do?=20 =20 I just listed out the directory of ttyS4 and this is what it says:=20 root@bmike1:~# ls -l /dev/ttyS4=20 crw-r--r-- 1 root dialout 4, 68 Aug 14 15:53 /dev/ttyS4=20 root@bmike1:~=20 =20 Should I chmod it?=20 I believe that currently that mode is 711=2E Am I correct? Is there such a s= etting as 700 (as in rwx------)? If=20 that is so that means there is also 000 (no permission for anyone)=2E Or is = the lowest you can go 111?=20 :-)Mike(-:=20