From 5fd83771641d15c418f747bd343ba6738d3875f7 Mon Sep 17 00:00:00 2001 From: Cameron Katri Date: Sun, 9 May 2021 14:20:58 -0400 Subject: Import macOS userland adv_cmds-176 basic_cmds-55 bootstrap_cmds-116.100.1 developer_cmds-66 diskdev_cmds-667.40.1 doc_cmds-53.60.1 file_cmds-321.40.3 mail_cmds-35 misc_cmds-34 network_cmds-606.40.1 patch_cmds-17 remote_cmds-63 shell_cmds-216.60.1 system_cmds-880.60.2 text_cmds-106 --- system_cmds/getty.tproj/getty.8 | 128 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 system_cmds/getty.tproj/getty.8 (limited to 'system_cmds/getty.tproj/getty.8') diff --git a/system_cmds/getty.tproj/getty.8 b/system_cmds/getty.tproj/getty.8 new file mode 100644 index 0000000..159b14a --- /dev/null +++ b/system_cmds/getty.tproj/getty.8 @@ -0,0 +1,128 @@ +.\" Copyright (c) 1980, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" from: @(#)getty.8 8.1 (Berkeley) 6/4/93 +.\" $FreeBSD: src/libexec/getty/getty.8,v 1.16 2005/01/18 09:29:39 ru Exp $ +.\" " +.Dd June 4, 1993 +.Dt GETTY 8 +.Os +.Sh NAME +.Nm getty +.Nd set terminal mode +.Sh SYNOPSIS +.Nm +.Oo +.Ar type +.Op Ar tty +.Oc +.Sh DESCRIPTION +The +.Nm +utility is called by +.Xr launchd 8 +to open and initialize the tty line, read a login name, and invoke +.Xr login 1 . +.Pp +The argument +.Ar tty +is the special device file in +.Pa /dev +to open for the terminal (for example, ``ttyh0''). +If there is no argument or the argument is +.Sq Fl , +the tty line is assumed to be open as file descriptor 0. +.Pp +The +.Ar type +argument can be used to make +.Nm +treat the terminal line specially. +This argument is used as an index into the +.Xr gettytab 5 +database, to determine the characteristics of the line. +If there is no argument, or there is no such table, the +.Em default +table is used. +If there is no +.Pa /etc/gettytab +a set of system defaults is used. +If indicated by the table located, +.Nm +will clear the terminal screen, +print a banner heading, +and prompt for a login name. +Usually either the banner or the login prompt will include +the system hostname. +.Pp +Most of the default actions of +.Nm +can be circumvented, or modified, by a suitable +.Pa gettytab +table. +.Pp +The +.Nm +utility can be set to timeout after some interval, +which will cause dial up lines to hang up +if the login name is not entered reasonably quickly. +.Sh FILES +.Bl -tag -width /etc/gettytab -compact +.It Pa /etc/gettytab +.It Pa /etc/ttys +.El +.Sh DIAGNOSTICS +.Bl -diag +.It "ttyxx: No such device or address." +.It "ttyxx: No such file or address." +.Pp +A terminal which is turned +on in the +.Pa ttys +file cannot be opened, likely because the requisite +lines are either not configured into the system, the associated device +was not attached during boot-time system configuration, +or the special file in +.Pa /dev +does not exist. +.El +.Sh SEE ALSO +.Xr login 1 , +.Xr ioctl 2 , +.Xr tty 4 , +.Xr gettytab 5 , +.Xr ttys 5 , +.Xr launchd 8 +.Sh HISTORY +A +.Nm +utility appeared in +.At v6 . -- cgit v1.2.3-56-ge451