diff --git a/usr.bin/login/Makefile b/usr.bin/login/Makefile index 3e0f2e0..561a65e 100644 --- a/usr.bin/login/Makefile +++ b/usr.bin/login/Makefile @@ -1,5 +1,5 @@ # From: @(#)Makefile 8.1 (Berkeley) 7/19/93 -# $Id: Makefile,v 1.2 1998/03/11 03:04:57 gdr-ftp Exp $ +# $Id: Makefile,v 1.3 1998/04/16 06:32:26 gdr-ftp Exp $ PROG= login MAN1= login.1 @@ -34,5 +34,6 @@ DEBUG= 25 OPTIMIZE=79 STACK= 768 BINDIR = /usr/sbin +HAS_BSD_MANPAGE = true .INCLUDE: /src/gno/prog.mk diff --git a/usr.bin/login/login.1G b/usr.bin/login/login.1G new file mode 100644 index 0000000..50cb3e0 --- /dev/null +++ b/usr.bin/login/login.1G @@ -0,0 +1,144 @@ +.\" Copyright (c) 1980, 1990, 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. +.\" +.\" @(#)login.1 8.1 (Berkeley) 6/9/93 +.\" +.TH LOGIN 1 "15 April 1998" GNO "Commands and Applications" +.SH NAME +.BR login +\- log into the computer +.SH SYNOPSIS +.BR login +.RB [ -fp ] +.RB [ -h +.IR hostname ] +.RI [ user ] +.SH DESCRIPTION +The +.BR login +utility logs users (and pseudo-users) into the computer system. +.LP +If no user is specified, or if a user is specified and authentication +of the user fails, +.BR login +prompts for a user name. +Authentication of users is done via passwords. +.LP +The options are as follows: +.IP \fB-f\fR +The +.B -f +option is used when a user name is specified to indicate that proper +authentication has already been done and that no password need be +requested. +This option may only be used by the super-user or when an already +logged in user is logging in as themselves. +.IP \fB-h\fR +The +.B -h +option specifies the host from which the connection was received. +It is used by various daemons such as +.BR telnetd (8). +This option may only be used by the super-user. +.IP \fB-p\fR +By default, +.BR login +discards any previous environment. +The +.B -p +option disables this behavior. +.LP +If the file +.I /etc/nologin +exists, +.BR login +dislays its contents to the user and exits. +This is used by +.BR shutdown (8) +to prevent users from logging in when the system is about to go down. +.LP +If the file +.I /etc/fbtab +exists, +.BR login +changes the protection and ownership of certain devices specified in this +file. +.LP +Immediately after logging a user in, +.BR login +displays the system copyright notice, the date and time the user last +logged in, the message of the day as well as other information. +If the file +.I .hushlogin +exists in the user's home directory, all of these messages are suppressed. +This is to simplify logins for non-human users, such as +.BR uucp (1). +.BR Login +then records an entry in the +.BR wtmp (5) +and +.BR utmp (5) +files and executes the user's command interpretor. +.LP +Login enters information into the environment (see +.BR environ (7)) +specifying the user's home directory (HOME), command interpreter (SHELL), +search path (PATH), terminal type (TERM) and user name (both LOGNAME and +USER). +.LP +The standard shells, +.BR csh (1) +and +.BR sh (1), +do not fork before executing the +.BR login +utility. +.SH FILES +.nf +\fB/etc/fbtab\fR changes device protections +\fB/etc/motd\fR message-of-the-day +\fB/etc/nologin\fR disallows logins +\fB/var/run/utmp\fR current logins +\fB/var/log/wtmp\fR login account records +\fB/var/mail/user\fR system mailboxes +\fB\&.hushlogin\fR makes login quieter +.SH SEE ALSO +.BR chpass (1), +.BR passwd (1), +.BR rlogin (1), +.BR getpass (3), +.BR fbtab (5), +.BR utmp (5), +.BR environ (7) +.SH HISTORY +A +.BR login +appeared in Version 6 AT&T UNIX.