| 1 | .TH TTYTAB
|
|---|
| 2 | .SH NAME
|
|---|
| 3 | ttytab \- table of login terminals
|
|---|
| 4 | .SH SYNOPSIS
|
|---|
| 5 | .B /etc/ttytab
|
|---|
| 6 | .SH DESCRIPTION
|
|---|
| 7 | .de SP
|
|---|
| 8 | .if t .sp 0.4
|
|---|
| 9 | .if n .sp
|
|---|
| 10 | ..
|
|---|
| 11 | The
|
|---|
| 12 | .B ttytab
|
|---|
| 13 | file lists all the terminal devices that one can login on. It is a simple
|
|---|
| 14 | text file that contains lines of the form:
|
|---|
| 15 | .PP
|
|---|
| 16 | .RS
|
|---|
| 17 | .ft I
|
|---|
| 18 | .ta +\w'namennn'u +\w'typennn'u +\w'"getty"nnn'u
|
|---|
| 19 | name type "getty" "init"
|
|---|
| 20 | .DT
|
|---|
| 21 | .ft R
|
|---|
| 22 | .RE
|
|---|
| 23 | .PP
|
|---|
| 24 | The
|
|---|
| 25 | .I name
|
|---|
| 26 | and
|
|---|
| 27 | .I type
|
|---|
| 28 | fields are simple words,
|
|---|
| 29 | .I name
|
|---|
| 30 | is the name of the terminal device with
|
|---|
| 31 | .B /dev
|
|---|
| 32 | stripped off, and
|
|---|
| 33 | .I type
|
|---|
| 34 | tells the type of terminal to initialize the
|
|---|
| 35 | .B TERM
|
|---|
| 36 | environment variable.
|
|---|
| 37 | .PP
|
|---|
| 38 | The
|
|---|
| 39 | .I getty
|
|---|
| 40 | and
|
|---|
| 41 | .I init
|
|---|
| 42 | fields may name commands that are run to allow one to login on the line, or
|
|---|
| 43 | to initialize the line. Both these fields may be more than one word if
|
|---|
| 44 | the whole field is enclosed in double quotes.
|
|---|
| 45 | .I Getty
|
|---|
| 46 | is usually simply the word
|
|---|
| 47 | .BR getty ,
|
|---|
| 48 | the command that prints a system identification banner and allows on to type
|
|---|
| 49 | a name to log in.
|
|---|
| 50 | .I Init
|
|---|
| 51 | is usually an
|
|---|
| 52 | .B stty
|
|---|
| 53 | command to set the baud rate and parity of a serial line.
|
|---|
| 54 | .PP
|
|---|
| 55 | The
|
|---|
| 56 | .I init
|
|---|
| 57 | field may be omitted to indicate that no initialization is necessary, and the
|
|---|
| 58 | .I getty
|
|---|
| 59 | field may be left out to not start a login process. Terminals should not be
|
|---|
| 60 | left out, because their place in the
|
|---|
| 61 | .B ttytab
|
|---|
| 62 | file determines their slot number as returned by
|
|---|
| 63 | .BR ttyslot (3).
|
|---|
| 64 | .PP
|
|---|
| 65 | Comments (introduced by #) and empty lines are ignored.
|
|---|
| 66 | .SH EXAMPLE
|
|---|
| 67 | A
|
|---|
| 68 | .B ttytab
|
|---|
| 69 | for the console, two serial lines, and a pseudo tty entry:
|
|---|
| 70 | .PP
|
|---|
| 71 | .RS
|
|---|
| 72 | .nf
|
|---|
| 73 | .ta +\w'consolennn'u +\w'networknnn'u +\w'gettynnnn'u
|
|---|
| 74 | console minix getty
|
|---|
| 75 | tty00 vt100 getty "stty 9600"
|
|---|
| 76 | tty01 dialup getty "stty 38400"
|
|---|
| 77 | ttyp0 network
|
|---|
| 78 | .DT
|
|---|
| 79 | .fi
|
|---|
| 80 | .RE
|
|---|
| 81 | .SH ENVIRONMENT
|
|---|
| 82 | .TP 15n
|
|---|
| 83 | .B TERM
|
|---|
| 84 | Terminal type
|
|---|
| 85 | .SH NOTES
|
|---|
| 86 | It is customary to set the type to
|
|---|
| 87 | .B dialup
|
|---|
| 88 | for a dialin line. One can check for that name in one's
|
|---|
| 89 | .BR .profile .
|
|---|
| 90 | .SH "SEE ALSO"
|
|---|
| 91 | .BR getttyent (3),
|
|---|
| 92 | .BR ttyslot (3),
|
|---|
| 93 | .BR init (8).
|
|---|
| 94 | .SH AUTHOR
|
|---|
| 95 | Kees J. Bot (kjb@cs.vu.nl)
|
|---|
