286 lines
8.1 KiB
Groff
286 lines
8.1 KiB
Groff
.\" $NetBSD: useradd.8,v 1.30 2005/02/05 15:28:46 wiz 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 January 14, 2004
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.Dt USERADD 8
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.Os
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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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.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-time
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.Oo
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.Fl g Ar gid | name | Li =uid Oc
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.Op Fl L Ar login-class
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.Op Fl k Ar skel-dir
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.Oo
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.Fl r Ar lowuid Ns Li .. Ns Ar highuid
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.Oc
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.Op Fl s Ar shell
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.Nm
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.Op Fl Smov
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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-time
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.Oo
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.Fl g Ar gid | name | Li =uid Oc
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.Op Fl k Ar skel-dir
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.Op Fl L Ar login-class
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.Op Fl p Ar password
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.Oo
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.Fl r Ar lowuid Ns Li .. Ns Ar highuid
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.Oc
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.Op Fl s Ar shell
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.Op Fl u Ar uid
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.Ar 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 files will be provided
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for the new user if they exist in the
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.Ar skel-dir
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directory (see the
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.Fl k
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option).
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Default values for
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the base directory,
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the time of password expiry,
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the time of account expiry,
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primary group,
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the skeleton directory,
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the range from which the uid will be allocated,
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and default login shell
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can be provided in the
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.Pa /etc/usermgmt.conf
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file, which, if running as root, is created using the built-in defaults if
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it does not exist.
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.Pp
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The first form of the command shown above (using the
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.Fl D
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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,
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.Fl D
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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.
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Together with one of the options shown for the first version
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of the command,
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.Fl D
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will set the default to be the new value.
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See
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.Xr usermgmt.conf 5
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for more information.
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.It Fl b Ar base-dir
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sets the default base directory.
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This is the directory to which the
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user directory is added, which will be created if the
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.Fl m
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option is specified and no
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.Fl d
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option is specified.
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.It Fl e Ar expiry-time
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sets the default time at which the current password will expire for new
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users.
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It should be entered in the form
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.Dq month day year ,
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where month is the month name (the first three characters are
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sufficient), day is the day of the month, and year is the year.
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Time in seconds since the epoch (UTC) is also valid.
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A value of 0 can be used to disable this feature.
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.It Fl f Ar inactive-time
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sets the default time at which new user accounts will expire.
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Also see the
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.Fl e
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option above.
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.It Fl g Ar gid | groupname | Li =uid
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sets the default group for new users.
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.It Fl k Ar skel-dir
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sets the skeleton directory in which to find files with
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which to populate new users' home directories.
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.It Fl L Ar login-class
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sets the default login class for new users.
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See
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.Xr login.conf 5
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for more information on user login classes.
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.It Xo
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.Fl r Ar lowuid Ns Li .. Ns Ar highuid
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.Xc
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sets the low and high bounds of uid ranges for new users.
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A new user can only be created if there are uids which can be
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assigned from one of the free ranges.
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.It Fl s Ar shell
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sets the default login shell for new users.
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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 reading values from
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.Pa /etc/usermgmt.conf ,
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the following 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 the
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.Pa /etc/group
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file.
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.It Fl S
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allows samba user names with a trailing dollar sign to be
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added to the system.
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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
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.Fl m
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option be specified.
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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 user's full name, 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
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.Fl m
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option be 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 new
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users.
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It should be entered in the form
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.Dq month day year ,
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where month is the month name (the first three characters are
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sufficient), day is the day of the month, and year is the year.
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Time in seconds since the epoch (UTC) is also valid.
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A value of 0 can be used to disable this feature.
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See
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.Xr passwd 5
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for more details.
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.It Fl f Ar inactive-time
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sets the time at which new user accounts will expire.
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Also see the
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.Fl e
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option above.
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.It Fl g Ar gid | name | Li =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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.Ql =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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.Pa /etc/group
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to describe the new group.
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.It Fl k Ar skeleton directory
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gives the skeleton directory in which to find files
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with which to populate the new user's home directory.
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.It Fl L Ar login-class
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This option sets the login class for the user being created.
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See
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.Xr login.conf 5
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for more information on user login classes.
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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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.It Fl s Ar shell
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specifies the login shell for the new user.
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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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.Pa /etc/usermgmt.conf
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file.
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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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Once the information has been verified,
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.Nm
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uses
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.Xr pwd_mkdb 8
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to update the user database.
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This is run in the background, and,
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at very large sites could take several minutes.
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Until this update
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is completed, the password file is unavailable for other updates
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and the new information is not available to programs.
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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 \*[Gt]0 if an error occurs.
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.Sh FILES
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.Bl -tag -width /etc/usermgmt.conf -compact
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.It Pa /etc/usermgmt.conf
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.It Pa /etc/skel/*
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.It Pa /etc/login.conf
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.El
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.Sh SEE ALSO
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.Xr chpass 1 ,
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.Xr group 5 ,
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.Xr login.conf 5 ,
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.Xr passwd 5 ,
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.Xr usermgmt.conf 5 ,
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.Xr pwd_mkdb 8 ,
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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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.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 AUTHORS
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The
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.Nm
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utility was written by
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.An Alistair G. Crooks
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.Aq agc@NetBSD.org .
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