V7M/man/man5/ttys.5

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.TH TTYS 5 
.SH NAME
ttys \- terminal initialization data
.SH DESCRIPTION
The
.I ttys
file is read by the
.I init
program and specifies
which terminal special files are to have
a process created for them which will allow people to
log in.
It contains one line per special file.
.PP
The first character of a line is either `0' or `1' or `2';
zero causes the line to be ignored,
one causes it to be effective as a dialup
line, and two specifies local terminal operation.
The second character is used as an argument to
.IR getty (8),
which performs such tasks as baud-rate recognition,
reading the login name,
and calling
.I login.
For normal lines,
the character is `0';
other characters can be used, for example, with hard-wired terminals
where speed recognition is unnecessary
or which have special characteristics.
.RI ( Getty
will have to be fixed in such cases.)
The remainder of the line is the terminal's entry
in the device directory, /dev.
.SH FILES
/etc/ttys
.SH "SEE ALSO"
init(8), getty(8), login(1)