826aeb2d68
COMPAT_43 cruft. This is supposedly the last core utility that has been using it! (So now, one should be able to remove this option from the config files. Be aware that the last officially released xterm however still requires it.) The getty has been running now for several weeks on my modem line, so i feel safe about it. Obtained from: mostly from the NetBSD vendor-branch
155 lines
5.2 KiB
Groff
155 lines
5.2 KiB
Groff
.\" Copyright (c) 1985, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)ttys.5 8.1 (Berkeley) 6/4/93
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.\" $Id: ttys.5,v 1.1.1.2 1996/04/13 15:33:16 joerg Exp $
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.\" "
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.Dd June 4, 1993
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.Dt TTYS 5
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.Os
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.Sh NAME
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.Nm ttys
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.Nd terminal initialization information
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.Sh DESCRIPTION
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The file
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.Nm ttys
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contains information that is used by various routines to initialize
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and control the use of terminal special files.
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This information is read with the
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.Xr getttyent 3
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library routines.
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There is one line in the
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.Nm ttys
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file per special device file.
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Fields are separated by tabs and/or spaces.
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Fields comprised of more than one word should be enclosed in double
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quotes (``"'').
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Blank lines and comments may appear anywhere in the file; comments
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are delimited by hash marks (``#'') and new lines.
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Any unspecified fields will default to null.
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.Pp
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The first field is the
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name of the terminal special file as it is found in
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.Pa /dev .
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.Pp
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The second field of the file is the command to execute for the line,
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usually
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.Xr getty 8 ,
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which initializes and opens the line, setting the speed, waiting for
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a user name and executing the
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.Xr login 1
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program.
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It can be, however, any desired command, for example
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the start up for a window system terminal emulator or some other
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daemon process, and can contain multiple words if quoted.
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.Pp
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The third field is the type of terminal usually connected to that
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tty line, normally the one found in the
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.Xr termcap 5
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data base file.
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The environment variable
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.Dv TERM
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is initialized with the value by
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either
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.Xr getty 8
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or
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.Xr login 1 .
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.Pp
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The remaining fields set flags in the
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.Fa ty_status
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entry (see
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.Xr getttyent 3 )
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or specify a window system process that
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.Xr init 8
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will maintain for the terminal line.
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.Pp
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As flag values, the strings ``on'' and ``off'' specify that
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.Xr init
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should (should not) execute the command given in the second field,
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while ``secure'' (if ``on'' is also specified) allows users with a
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uid of 0 to login on
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this line.
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The flags ``local'', ``rtscts'', ``mdmbuf'', and ``softcar''
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modify the default behaviour of the terminal line, and their actions
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are driver dependent.
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The ``local'' flag causes the driver to
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treat the line as if it locally connected.
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The ``rtscts'' flag
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instructs the driver to use RTS/CTS hardware flow control, if
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possible.
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The ``mdmbuf'' flag instructs the driver to use
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DTR/DCD flow control, if possible.
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The ``softcar'' flag causes the driver to ignore
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hardware carrier on the line.
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These flag fields should not be quoted.
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.Pp
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The string ``window='' may be followed by a quoted command
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string which
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.Xr init
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will execute
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.Em before
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starting the command specified by the second field.
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.Sh EXAMPLES
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.Bd -literal
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# root login on console at 1200 baud
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console "/usr/libexec/getty std.1200" vt100 on secure
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# dialup at 1200 baud, no root logins
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ttyd0 "/usr/libexec/getty d1200" dialup on # 555-1234
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# Mike's terminal: hp2621
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ttyh0 "/usr/libexec/getty std.9600" hp2621-nl on # 457 Evans
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# John's terminal: vt100
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ttyh1 "/usr/libexec/getty std.9600" vt100 on # 459 Evans
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# terminal emulate/window system
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ttyv0 "/usr/new/xterm -L :0" vs100 on window="/usr/new/Xvs100 0"
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# Network pseudo ttys -- don't enable getty
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ttyp0 none network
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ttyp1 none network off
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.Ed
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.Sh FILES
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.Bl -tag -width /etc/ttys -compact
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.It Pa /etc/ttys
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.El
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.Sh SEE ALSO
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.Xr login 1 ,
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.Xr getttyent 3 ,
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.Xr ttyslot 3 ,
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.Xr gettytab 5 ,
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.Xr termcap 5 ,
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.Xr getty 8 ,
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.Xr init 8
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.\".Xr init 8 ,
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.\".Xr ttyflags 8
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.Sh HISTORY
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A
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.Nm
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file appeared in
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.At v6 .
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