253 lines
7.1 KiB
Groff
253 lines
7.1 KiB
Groff
.\"
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.\" (c) Copyright 1995 Wolfram Schneider. 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 Wolfram Schneider
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.\" 4. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" /usr/sbin/adduser - add new user(s)
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.\"
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.\" $Id: adduser.8,v 1.8 1996/01/30 13:48:14 mpp Exp $
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.Dd Jan, 9, 1995
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.Dt ADDUSER 8
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.Os FreeBSD 2.1
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.Sh NAME
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.Nm adduser
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.Nd command for adding new users
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.Sh SYNOPSIS
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.Nm adduser
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[-batch username [group[,group]...] [fullname] [password]]
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[-check_only] [-config_create] [-dotdir dotdir]
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[-group login_group] [-h|-help] [-home home]
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[-message message_file] [-noconfig] [-shell shell]
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[-s|-silent|-q|-quit] [-uid uid_start] [-v|-verbose]
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.Sh DESCRIPTION
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.Nm Adduser
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is a simple program for adding new users. Adduser check
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passwd, group and shell database. It create passwd/group entry,
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HOME-directory, dotfiles and send new user a welcome message.
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.Sh RESTRICTION
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.Bl -tag -width Ds -compact
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.It Sy username
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Login name. Only lowercase characters or digits. Maximum length
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is 8 characters (see
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.Xr setlogin 2
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BUGS section).
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The reasons for this limit is "Historical".
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Given that people have traditionally wanted to break this
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limit for aesthetic reasons, it's never been of great importance to break
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such a basic fundamental parameter in UNIX.
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You can change UT_NAMESIZE in /usr/include/utmp.h and recompile the
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world; people have done this and it works, but you will have problems
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with any precompiled programs, or source that assumes the 8-character
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name limit and NIS. The NIS protocol mandates an 8-character username.
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If you need a longer login name for e-mail addresses,
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you can define an alias in
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.Pa /etc/aliases .
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.It Sy fullname
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Firstname and surname.
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.Ql Pa \:
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not allowed.
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.It Sy shell
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Only valid shells from shell database or sliplogin and pppd
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.It Sy uid
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Automatically generated or your choice. Less than 32000.
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.It Sy gid/login group
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Your choice or automatically generated.
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.It Sy password
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If not empty password is encoded with crypt.
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.El
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.Sh UNIQ GROUP
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Perhaps your missing what *can* be done with this scheme that falls apart
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with most other schemes. With each user in his/her own group the user can
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safely run with a umask of 002 and have files created in there home directory
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and not worry about others being able to read them.
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For a shared area you create a separate uid/gid (like cvs or ncvs on freefall),
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you place each person that should be able to access this area into that new
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group.
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This model of uid/gid administration allows far greater flexibility that lumping
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users into groups and having to muck with the umask when working in a shared
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area.
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I have been using this model for almost 10 years and found that it works
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for most situations, and has never gotten in the way. (Rod Grimes)
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.Sh CONFIGURATION
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.Bl -tag -width Ds -compact
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.It Sy 1.
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Read intern variables.
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.It Sy 2.
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Read config file (/etc/adduser.conf)
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.It Sy 3.
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Parse command line options
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.El
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Sy -batch username [group[,group]...] [fullname] [password]
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Batch mode.
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.It Sy -check_only
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Check /etc/passwd, /etc/group, /etc/shells and exit.
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.It Sy -create_config
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Create new config and message file and exit.
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.It Sy -dotdir Ar directory
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Copy files from
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.Ar directory
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into the HOME-directory of new users.
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.Ql Pa dot.foo
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files renamed to
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.Ql Pa .foo
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Don't copy files if
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.Ar directory
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equal with
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.Ar no
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For security make a all files writable and readable for owner,
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don't allow group or world to write files and allow only owner
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to read/execute/write .rhost, .Xauthority, .kermrc, .netrc, Mail,
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prv, iscreen, term.
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.It Sy -group Ar login_group
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Login group.
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.Ar USER
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mean use username as login group.
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.It Sy -help,-h,-?
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Print options and exit.
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.It Sy -home Ar partition
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Default home partition where all users located.
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.It Sy -message Ar file
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Send new users a welcome message.
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Don't send message if
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.Ar file
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equal with
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.Ar no
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.It Sy -noconfig
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Do not read config file.
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.It Sy -shell Ar shell
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Default shell for new users.
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.It Sy -silent,-s,-quit,-q
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Few warnings, question, bug reports.
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.It Sy -uid Ar uid
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Use uid's from
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.Ar uid
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up.
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.It Sy -verbose,-v
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Many warning, question. Recommended for novice users.
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.Sh FORMATS
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.Bl -tag -width Ds -compact
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.Ql Pa #
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is a comment.
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.P
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.It Sy config file
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.Nm Adduser
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read and write this file.
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See /etc/adduser.conf for more details.
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.It Sy message file
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Eval variables in this file. See /etc/adduser.message for more
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details.
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.El
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.Sh EXAMPLES
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.Pp
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$ adduser
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.Pp
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Start adduser in interactive mode.
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.Pp
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$ adduser -batch baerenklau guest,staff,baer 'Teddy II' qwerty7
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.Pp
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Create user 'baerenklau' and login group 'baerenklau'. Invite user
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baerenklau into groups guest, staff and baer. Realname (fullname)
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is 'Teddy II'. Password is 'qwerty7' (don't use such password!). Create
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HOME directory '/home/baerenklau' and copy all files and directories
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from /usr/share/skel to /home/baerenklau. Send user baerenklau
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a welcome message.
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.Pp
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$ adduser -uid 5000 -group guest -message no -batch vehlefanz
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.Pp
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Create user 'vehlefanz'. Login group is guest. Uid is up to
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5000, for instance 5007. No other groups, no realname, no password.
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Do not send a welcome message.
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.Sh FILES
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.Bl -tag -width /etc/master.passwdxx -compact
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.It Pa /etc/master.passwd
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user database
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.It Pa /etc/group
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group database
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.It Pa /etc/shells
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shell database
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.It Pa /etc/adduser.conf
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config file for adduser
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.It Pa /etc/adduser.message
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message file for adduser
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.It Pa /usr/share/skel
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skeletal login directory
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.It Pa /var/log/adduser
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logfile for adduser
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.El
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.Sh SEE ALSO
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.Xr chpass 1 ,
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.Xr finger 1 ,
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.Xr passwd 1 ,
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.Xr setlogin 2 ,
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.Xr yp 4 ,
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.Xr aliases 5 ,
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.Xr passwd 5 ,
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.Xr group 5 ,
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.Xr shells 5 ,
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.Xr pwd_mkdb 8 ,
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.Xr vipw 8
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.\" .Sh BUGS
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.Sh HISTORY
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The
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.Nm
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command appeared in FreeBSD 2.1
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