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adduser.conf(5) 					       adduser.conf(5)

       /etc/adduser.conf  - configuration file for adduser(8) and addgroup(8).

       The  file  /etc/adduser.conf  contains  defaults   for	the   programs
       adduser(8) , addgroup(8) , deluser(8) and delgroup(8).  Each line holds
       a single value pair in the form	option	=  value.   Double  or	single
       quotes are allowed around the value, as is whitespace around the equals
       sign.  Comment lines must have a hash sign (#) in the first column.

       The valid configuration options are:

       DSHELL The login shell to be used  for  all  new  users.   Defaults  to

       DHOME  The  directory  in which new home directories should be created.
	      Defaults to /home.

	      If this is set to yes, the home directories will be  created  as
	      /home/[groupname]/user.  Defaults to no.

	      If  this	is  set to yes, then the home directories created will
	      have an extra directory inserted which is the  first  letter  of
	      the loginname.  For example: /home/u/user.  Defaults to no.

       SKEL   The  directory  from  which  skeletal  user  configuration files
	      should be copied.  Defaults to /etc/skel.

	      specify an inclusive range of UIDs from which system UIDs can be
	      dynamically  allocated.  Default to 100 - 999.  Please note that
	      system software, such as the users allocated by the  base-passwd
	      package, may assume that UIDs less than 100 are unallocated.

	      specify an inclusive range of UIDs from which normal users UIDs
	      can be dynamically allocated. Default to 1000 - 29999.

	      specify an inclusive range of GIDs from which system GIDs can be
	      dynamically allocated.  Default to 100 - 999.

	      specify  an  inclusive  range  of GIDs from which normal groups
	      GIDs can be dynamically allocated. Default to 1000 - 29999.

	      If this is set to yes, then each	created  user  will  be  given
	      their  own  group to use.  If this is no, then each created user
	      will be placed in the group whose GID is USERS_GID (see  below).
	      The default is yes.

	      If  USERGROUPS  is  no,  then  USERS_GID is the GID given to all
	      newly-created users.  The default value is 100.

	      If set to a valid value (e.g. 0755 or 755), directories  created
	      will  have the specified permissions as umask. Otherwise 0755 is
	      used as default.

	      If this is set to yes, then  home  directories  for  users  with
	      their own group ( USERGROUPS=yes ) will have the setgid bit set.
	      This was the default  setting  for  adduser  versions  <<  3.13.
	      Unfortunately  it  has some bad side effects, so we no longer do
	      this per default. If you want  it  nevertheless  you  can  still
	      activate it here.

	      If  set  to  a nonempty value, new users will have quotas copied
	      from that user.  The default is empty.

	      User and group names are checked against	this  regular  expres
	      sion. If the name doesnt match this regexp, user and group cre
	      ation in adduser is refused unless --force-badname is set.  With
	      --force-badname set, only weak checks are performed. The default
	      is the most conservative ^[a-z][-a-z0-9]*$.

	      Files in /etc/skel/ are checked  against	this  regex,  and  not
	      copied  to the newly created home directory if they match.  This
	      is by default set to the regular expression matching files  left
	      over from unmerged config files (dpkg-(old|new|dist)).

	      Setting  this to something other than 0 (the default) will cause
	      adduser to add newly created non-system users  to  the  list  of
	      groups defined by EXTRA_GROUPS (below).

	      This  is	the  list  of groups that new non-system users will be
	      added to.  By default, this list is dialout cdrom floppy	audio
	      video plugdev users games

	      adduser and addgroup enforce conformity to IEEE Std 1003.1-2001,
	      which allows only the following characters to  appear  in  group
	      and  user names: letters, digits, underscores, periods, at signs
	      (@) and dashes. The name may no start with a dash. The "$"  sign
	      is allowed at the end of usernames (to conform to samba).

	      An additional check can be adjusted via the configuration param
	      eter NAME_REGEX to enforce a local policy.


       adduser(8), addgroup(8), deluser(8), delgroup(8), deluser.conf(5)

Debian GNU/Linux		 Version 3.110		       adduser.conf(5)

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