231 lines
7.1 KiB
Groff
231 lines
7.1 KiB
Groff
.\" $NetBSD: useradd.8,v 1.3 1999/12/07 10:14:03 lukem Exp $ */
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.\"
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.\"
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.\" Copyright (c) 1999 Alistair G. Crooks. 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 Alistair G. Crooks.
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.\" 4. The name of the author may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\"
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.Dd November 30, 1999
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.Dt USERADD 8
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.Os NetBSD
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.Sh NAME
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.Nm useradd
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.Nd add a user to the system
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.Sh SYNOPSIS
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.Nm ""
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.Op Fl D
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.Op Fl b Ar base-dir
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.Op Fl e Ar expiry-time
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.Op Fl f Ar inactive-secs
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.Op Fl g Ar gid/name/=uid
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.Op Fl r Ar low..high
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.Nm ""
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.Op Fl G Ar secondary-group
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.Op Fl b Ar base-dir
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.Op Fl c Ar comment
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.Op Fl d Ar home-dir
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.Op Fl e Ar expiry-time
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.Op Fl f Ar inactive-secs
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.Op Fl g Ar gid/name/=uid
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.Op Fl k Ar skel-dir
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.Op Fl m
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.Op Fl o
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.Op Fl p Ar password
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.Op Fl r Ar low..high
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.Op Fl s Ar shell
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.Op Fl u Ar uid
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.Op Fl v
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user
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.Sh DESCRIPTION
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The
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.Nm useradd
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utility adds a user to the system, creating and
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populating a home directory if necessary.
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Any skeleton dot files will be provided
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for the new user if they exist in the /etc/skel directory.
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Default values for the base directory, the time of password expiry,
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the skeleton directory,
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seconds until password change, primary group, the range from which the uid will be
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allocated,
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and default login shell can be provided in the /etc/usermgmt.conf
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file.
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.Pp
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The first format of the command shown above (utilising the -D option)
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sets and displays the defaults for the
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.Nm
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utility.
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.Bl -tag -width Ds
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.It Fl D
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without any further options, -D will show the current defaults which
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will be used by the
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.Nm
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utility. Together with one of the options shown for the first version
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of the command, -D will set the default to be the new value.
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.It Fl b Ar base-dir
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sets the base directory. This is the directory to which the user name
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is added, which will be created if the -m option is specified and no
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-d option is specified.
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.It Fl e Ar expiry-time
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sets the time at which the current password will expire for this user.
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.It Fl f Ar inactive-secs
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sets the number of seconds after which, if no login has occurred for
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the user during that time, the login will be "locked".
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.It Fl g Ar gid/groupname/=uid
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sets the default group for any user added using the
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.Nm
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command.
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.It Fl r Ar low..high
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sets the low and high bounds of uid ranges for new users. A new user
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can only be created if there are uids which can be assigned from one
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of the free ranges.
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.El
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.Pp
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In the second form of the command,
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after setting any defaults, and then values from that file,
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the command line options are processed:
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.Bl -tag -width Ds
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.It Fl G Ar secondary-group
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is the secondary group to which the user will be added in
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the /etc/group file.
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.It Fl b Ar base-directory
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is the base directory name, in which the user's new home
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directory will be created, should the -m option be specified.
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This value can be preset for all users
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by using the
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.Ar base_dir
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field in the
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.Xr /etc/usermgmt.conf
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file - it has the format:
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.Ar base_dir <path-to-base-dir> .
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.It Fl c Ar comment
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is the comment field (also, for historical reasons known as the
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GECOS field) which will be added for the user, and typically will include
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the username, and, perhaps, contact information for the user.
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.It Fl d Ar home-directory
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is the home directory which will be created and populated for the user,
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should the -m option be specified.
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.It Fl e Ar secs-to-expiry
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provides the number of seconds since the epoch (UTC) at
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which the current password change expire. This
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can be used to implement password aging.
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A value of
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0 can be used to switch off this feature.
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The default value for this field is 0.
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See
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.Xr passwd 5
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for more details.
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This value can be preset for all users
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by using the
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.Ar expire
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field in the
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.Xr /etc/usermgmt.conf
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file - it has the format:
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.Ar expire <secs-to-expiry> .
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.It Fl g Ar gid/name/=uid
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gives the group name or identifier to be used for the new user's primary group.
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If this is
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.Ar "-g=uid" ,
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then a uid and gid will be picked which are both unique
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and the same, and a line added to
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.Ar /etc/group
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to describe the new group.
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This value can be preset for all users
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by using the
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.Ar gid
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field in the
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.Xr /etc/usermgmt.conf
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file - it has the format:
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.Ar group <groupname/groupid/=uid> .
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.It Fl k Ar skeleton directory
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gives the skeleton directory in which to find dot files
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with which to populate the new user's home directory.
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.It Fl m
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create a new home directory for the new user.
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.It Fl o
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allow the new user to have a uid which is already in use for another user.
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.It Fl p Ar password
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specifies an already-encrypted password for the new user.
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This password can then be changed by using the
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.Xr chpass 1
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utility.
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This value can be preset for all users
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by using the
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.Ar password
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field in the
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.Xr /etc/usermgmt.conf
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file - it has the format:
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.Ar password <encrypted-password> .
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.It Fl s Ar shell
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specifies the login shell for the new user.
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This value can be preset for all users
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by using the
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.Ar shell
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field in the
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.Xr /etc/usermgmt.conf
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file - it has the format:
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.Ar shell <login-shell> .
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.It Fl u Ar uid
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specifies a uid for the new user.
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Boundaries for this value can be preset for all users
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by using the
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.Ar range
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field in the
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.Xr /etc/usermgmt.conf
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file - they have the format:
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.Ar range <starting-uid>..<ending-uid> .
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.It Fl v
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enables verbose mode - explain the commands as they are executed.
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.El
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.Pp
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The
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.Nm
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utility exits 0 on success, and >0 if an error occurs.
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Nx 1.5 .
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It is based on the
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.Ar addnerd
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package by the same author.
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.Sh AUTHOR
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The
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.Nm
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utility was written by Alistair G. Crooks (agc@netbsd.org).
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.Sh SEE ALSO
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.Xr chpass 1 ,
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.Xr passwd 5 ,
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.Xr group 5 ,
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.Xr user 8 ,
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.Xr userdel 8 ,
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.Xr usermod 8 ,
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.Xr /etc/usermgmt.conf ,
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.Xr /etc/skel/.[A-z]* ,
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.Xr /usr/share/examples/usermgmt
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