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.\"
.\" $FreeBSD$
.\"
.Dd August 22, 1994
.Dt FBTAB 5
.Os
.Sh NAME
.Nm fbtab
.Nd change device protection upon login
.Sh DESCRIPTION
The
.Nm
file contains a number of lines specifying a device together with a list
of devices with associated protections.
Comments start with a
.Ql #
and extend to the end of the line.
.Pp
Blank lines or lines with only a comment are ignored.
.Pp
All other lines consist of three fields delimited by
whitespace: a login device
.Pq Pa /dev/ttyv0 ,
an octal permission number (0600), and a colon
.Pq Ql \&:
delimited list of device patterns
.Pq Pa /dev/console , /dev/dsp* .
All device patterns are absolute paths.
.Pp
If the tty argument (relative path) matches a login device
name (absolute path), the permissions of the devices in the
colon-delimited list are set as specified in the second
field, and their ownership is changed to that of the UID
and GID arguments.
.Sh FILES
.Bl -tag -width ".Pa /etc/fbtab" -compact
.It Pa /etc/fbtab
The
.Nm
file resides in
.Pa /etc .
.El
.Sh SEE ALSO
.Xr login 1 ,
.Xr getty 8
.Sh AUTHORS
.An Guido van Rooij
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