Re: exploring debian's users and groups
Previously Sam Couter wrote:
> Joey Hess <joeyh@debian.org> wrote:
> > dialout:
> >
> > HELP: Is this used for /dev/cua devices or something?
>
> Probably historically mixed up with uucp, fax and dip. I don't see why four
> groups for serial port access are necessary.
No, they are very different:
* dialout: full access to serial ports. If someone has this he can reconfigure
the modem, dial anywhere, etc.
* dip: allows a user to dialout using tools such as pon/poff, dip, wvdial,
etc.
* fax: allows a user to use fax software to send / receive faxes
* uucp: used to be used for serial port locking, now just used by uucp
Having those four seperate is extremely useful.
Wichert.
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