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+.\" Someone tell emacs that this is an -*- nroff -*- source file.
+.\" Copyright 1997, 1998, 1999 Guy Maor.
+.\" Adduser and this manpage are copyright 1995 by Ted Hajek,
+.\" With much borrowing from the original adduser copyright 1994 by
+.\" Ian Murdock.
+.\" 
+.\" This is free software; see the GNU General Public License version
+.\" 2 or later for copying conditions.  There is NO warranty.
+.TH ADDUSER 8 "Version VERSION" "Debian GNU/Linux"
+.SH NAME
+adduser, addgroup \- add a user or group to the system
+.SH SYNOPSIS
+.BR adduser " [options] [\-\-home DIR] [\-\-shell SHELL] [\-\-no-create-home] [\-\-uid ID] [\-\-firstuid ID] [\-\-lastuid ID] [\-\-ingroup GROUP | \-\-gid ID] [\-\-disabled-password] [\-\-disabled-login] [\-\-gecos GECOS] [\-\-add_extra_groups] user"
+.PP
+.BR adduser " \-\-system [options] [\-\-home DIR] [\-\-shell SHELL] [\-\-no-create-home] [\-\-uid ID] [\-\-group | \-\-ingroup GROUP | \-\-gid ID] [\-\-disabled-password] [\-\-disabled-login] [\-\-gecos GECOS] user"
+.PP
+.BR addgroup " [options] [\-\-gid ID] group"
+.PP
+.BR addgroup " \-\-system [options] [\-\-gid ID] group"
+.PP
+.BR adduser " [options] user group"
+.SS COMMON OPTIONS
+.br
+[\-\-quiet] [\-\-debug] [\-\-force-badname] [\-\-help|\-h] [\-\-version] [\-\-conf FILE]
+.SH DESCRIPTION
+.PP
+.BR adduser " and " addgroup
+add users and groups to the system according to command line options
+and configuration information in
+.IR /etc/adduser.conf .
+They are friendlier front ends to the low level tools like 
+.BR useradd,
+.BR groupadd " and " usermod
+programs, by default choosing Debian policy conformant UID and GID values, 
+creating a home directory with skeletal configuration, running a custom 
+script, and other features.
+.BR adduser " and " addgroup
+can be run in one of five modes:
+.SS "Add a normal user"
+If called with one non-option argument and without the
+.BR \-\-system " or " \-\-group " options, " adduser
+will add a normal user.
+
+.B adduser
+will choose the first available UID from the range specified for
+normal users in the configuration file.  The UID can be overridden
+with the
+.B \-\-uid
+option.
+
+The range specified in the configuration file may be overridden with the
+.B \-\-firstuid
+and
+.B \-\-lastuid
+options.
+
+By default, each user in Debian GNU/Linux is given a corresponding
+group with the same name.  Usergroups allow group writable
+directories to be easily maintained by placing the appropriate users
+in the new group, setting the set-group-ID bit in the directory, and ensuring
+that all users use a umask of 002.  If this option is turned off by setting
+.B USERGROUPS
+to
+.IR no ,
+all users' GIDs are set to
+.BR USERS_GID .
+Users' primary groups can also be overridden from the command line with the
+.BR \-\-gid " or " \-\-ingroup
+options to set the group by id or name, respectively.  Also, users can be
+added to one or more groups defined in adduser.conf either by setting
+ADD_EXTRA_GROUPS to 1 in adduser.conf, or by passing 
+.B \-\-add_extra_groups 
+on the commandline.
+
+.B adduser
+will create a home directory subject to
+.BR DHOME ", " GROUPHOMES ", and " LETTERHOMES .
+The home directory can be overridden from the command line with the
+.B \-\-home
+option, and the shell with the
+.B \-\-shell
+option. The home directory's set-group-ID bit is set if
+.B USERGROUPS
+is
+.I yes
+so that any files created in the user's home directory will
+have the correct group.
+
+.B adduser
+will copy files from
+.B SKEL
+into the home directory and prompt for finger (gecos) information and
+a password.  The gecos may also be set with the
+.B \-\-gecos
+option.  With the
+.B \-\-disabled-login
+option, the account will be created but will be disabled until a
+password is set. The
+.B \-\-disabled-password
+option will not set a password, but login is still possible (for example
+with SSH RSA keys).
+
+If the file
+.B /usr/local/sbin/adduser.local
+exists, it will be executed after the user account has been set
+up in order to do any local setup.  The arguments passed to
+.B adduser.local
+are:
+.br
+username uid gid home-directory
+.br 
+The environment variable VERBOSE is set according to the following rule:
+.TP 
+0 if 
+.B \-\-quiet
+is specified
+.TP 
+1 if neither 
+.B \-\-quiet 
+nor
+.B \-\-debug 
+is specified
+.TP 
+2 if 
+.B \-\-debug
+is specified
+
+(The same applies to the variable DEBUG, but DEBUG is deprecated and will be removed in a later version of 
+.BR adduser .)
+
+.SS "Add a system user"
+If called with one non-option argument and the
+.BR \-\-system " option, " adduser
+will add a system user. If a user with the same name already exists in
+the system uid range (or, if the uid is specified, if a user with that
+uid already exists), adduser will exit with a warning. This warning can be suppressed by adding 
+.BR \-\-quiet .
+
+.B adduser
+will choose the first available UID from the range specified for
+system users in the configuration file (FIRST_SYSTEM_UID and LAST_SYSTEM_UID). If you want to have a specific UID, you can specify it using the
+.B \-\-uid
+option.
+
+By default, system users are placed in the
+.B nogroup
+group.  To place the new system user in an already existing group, use
+the
+.BR \-\-gid " or " \-\-ingroup
+options.  To place the new system user in a new group with the same ID, use
+the
+.B \-\-group
+option.
+
+A home directory is created by the same rules as for normal users.
+The new system user will have the shell
+.I /usr/sbin/nologin
+(unless overridden with the
+.B \-\-shell
+option), and have logins disabled.  Skeletal configuration files
+are not copied.
+.SS "Add a user group"
+If 
+.BR adduser " is called with the " \-\-group " option and without the
+.BR \-\-system " option, or " addgroup " is called respectively, a user
+group will be added.
+
+
+A GID will be chosen from the range specified for system GIDS in the
+configuration file (FIRST_GID, LAST_GID). To override that mechanism you can give the GID using the
+.B \-\-gid
+option.
+
+The group is created with no users.
+.SS "Add a system group"
+If 
+.BR addgroup " is called with the
+.BR \-\-system " option, a system group will be added.
+
+A GID will be chosen from the range specified for system GIDS in the
+configuration file (FIRST_SYSTEM_GID, LAST_SYSTEM_GID). To override that mechanism you can give the GID using the
+.B \-\-gid
+option.
+
+The group is created with no users.
+.SS "Add an existing user to an existing group"
+If called with two non-option arguments,
+.B adduser
+will add an existing user to an existing group.
+.SH OPTIONS
+.TP
+.B \-\-conf FILE
+Use FILE instead of
+.IR /etc/adduser.conf .
+.TP
+.B \-\-disabled-login
+Do not run passwd to set the password.  The user won't be able to use
+her account until the password is set.
+.TP
+.B \-\-disabled-password
+Like \-\-disabled-login, but logins are still possible (for example using 
+SSH RSA keys) but not using password authentication.
+.TP
+.B \-\-force\-badname
+By default, user and group names are checked against the configurable
+regular expression 
+.B NAME_REGEX 
+specified in the configuration file. This option forces
+.B adduser
+and 
+.B addgroup
+to apply only a weak check for validity of the name.
+.B NAME_REGEX
+is described in 
+.BR adduser.conf (5).
+.TP
+.B \-\-gecos GECOS
+Set the gecos field for the new entry generated.
+.B adduser 
+will not ask for finger information if this option is given.
+.TP
+.B \-\-gid ID
+When creating a group, this option forces the new groupid to be the
+given number.  When creating a user, this option will put the user in
+that group.
+.TP
+.B \-\-group
+When combined with 
+.BR \-\-system ,
+a group with the same name and ID as the system user is created.
+If not combined with
+.BR \-\-system ,
+a group with the given name is created.  This is the default action if
+the program is invoked as
+.BR addgroup .
+.TP
+.B \-\-help
+Display brief instructions.
+.TP
+.B \-\-home DIR
+Use DIR as the user's home directory, rather than the default specified by the
+configuration file.  If the directory does not exist, it is created
+and skeleton files are copied.
+.TP
+.B \-\-shell SHELL
+Use SHELL as the user's login shell, rather than the default specified by the
+configuration file.
+.TP
+.B \-\-ingroup GROUP
+Add the new user to GROUP instead of a usergroup or the default group
+defined by 
+.B USERS_GID 
+in the configuration file.  This affects the users primary group.  To add additional
+groups, see the 
+.B add_extra_groups
+option.
+.TP
+.B \-\-no-create-home
+Do not create the home directory, even if it doesn't exist.
+.TP
+.B \-\-quiet
+Suppress informational messages, only show warnings and errors.
+.TP
+.B \-\-debug
+Be verbose, most useful if you want to nail down a problem with adduser.
+.TP
+.B \-\-system
+Create a system user or group.
+.TP
+.B \-\-uid ID
+Force the new userid to be the given number.
+.B adduser 
+will fail if the userid is already taken.
+.TP
+.B \-\-firstuid ID
+Override the first uid in the range that the uid is chosen from (overrides
+.B FIRST_UID
+specified in the configuration file).
+.TP
+.B \-\-lastuid ID
+Override the last uid in the range that the uid is chosen from (
+.B LAST_UID
+)
+.TP
+.B \-\-add_extra_groups
+Add new user to extra groups defined in the configuration file.
+.TP
+.B \-\-version
+Display version and copyright information.
+
+.SH EXIT VALUES
+
+.TP
+.B 0 
+The user exists as specified. This can have 2 causes: The user was created by adduser or the user was already present on the system before adduser was invoked. If adduser was returning 0 , invoking adduser a second time with the same parameters as before also returns 0.
+.TP
+.B 1
+Creating the user or group failed because it was already present with other UID/GID than specified. The username or groupname was rejected because of a mismatch with the configured regular expressions, see adduser.conf(5). Adduser has been aborted by a signal.
+.br
+Or for many other yet undocumented reasons which are printed to console then. You may then consider to remove 
+.B \-\-quiet
+to make adduser more verbose.
+
+.SH FILES
+.TP 
+/etc/adduser.conf
+Default configuration file for adduser and addgroup
+.TP
+/usr/local/sbin/adduser.local
+Optional custom add-ons.
+
+.SH "SEE ALSO"
+.BR adduser.conf (5), 
+.BR deluser (8), 
+.BR groupadd (8), 
+.BR useradd (8), 
+.BR usermod (8),
+Debian Policy 9.2.2.
+
+.SH COPYRIGHT
+Copyright (C) 1997, 1998, 1999 Guy Maor. Modifications by Roland
+Bauerschmidt and Marc Haber. Additional patches by Joerg Hoh and Stephen Gran.
+.br
+Copyright (C) 1995 Ted Hajek, with a great deal borrowed from the original
+Debian 
+.B adduser
+.br
+Copyright (C) 1994 Ian Murdock.
+.B adduser
+is free software; see the GNU General Public Licence version 2 or
+later for copying conditions.  There is
+.I no
+warranty.