[ILUG-BOM] I/O ports access for normal users?

[Rahul Saxena]

--- Tahir Hashmi <tahirbond at lycos.com> wrote:

 
> # chown root:root <filename>
> # chmod a+sx <filename>

Thanks for the help ! 

> >Also i am trying to uderstand how ot access using
> read
> >and write. for that i would need to add the user as
> >part of the group, which can access /dev/port. 
> >
> >How do i add myself to the group? i guess.. in that
> >case i wont be in my original group. 
> >
> 
> I really think it would be best if you do it the
> accepted way (I consiously avoided the word "right"
> :-). Normal users aren't supposed to be accessing
> I/O ports directly. Try going thru _Linux Device
> Drivers_ by O'Rilley Publications for enlightenment.

Actually i was asking this because, we are planning to
inteface external hardware to the paralle port and its
a stand alone system. (in that case even if we are the
root) it wont make a difference, i suppose?

would it be better if we ran the system in single user
mode ??? 

-rahul 

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