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BSD 2.11 - man page for adduser (bsd section 8)

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ADDUSER(8)									       ADDUSER(8)

NAME
       adduser - procedure for adding new users

DESCRIPTION
       A  new  user  must  choose  a  login  name, which must not already appear in /etc/passwdor
       /etc/aliases.  It must also not begin with the hyphen (``-'') character.  It  is  strongly
       recommended  that it be all lower-case, and not contain the dot (``.'') character, as that
       tends to confuse mailers.  An account can be added by editing a line into the passwd file;
       this must be done with the password file locked e.g. by using chpass(1) or vipw(8).

       A  new  user  is given a group and user id.  Login's and user id's should be unique across
       the system, and often across a group of systems, since  they  are  used	to  control  file
       access.	 Typically, users working on similar projects will be put in the same groups.  At
       the University of California, Berkeley, we have groups for system staff, faculty, graduate
       students, and special groups for large projects.

       A skeletal account for a new user "ernie" might look like:

	      ernie::25:30::0:0:Ernie			    Kovacs,508			    Evans
	      Hall,x7925,642-8202:/a/users/ernie:/bin/csh

       For a description of each of these fields, see passwd(5).

       It is useful to give new users some help in getting started, supplying  them  with  a  few
       skeletal  files	such  as .profile if they use "/bin/sh", or .cshrc and .login if they use
       "/bin/csh".  The directory "/usr/skel" contains skeletal definitions of such  files.   New
       users should be given copies of these files which, for instance, use tset(1) automatically
       at each login.

FILES
       /etc/master.passwd  user database
       /usr/skel	   skeletal login directory

SEE ALSO
       chpass(1), finger(1), passwd(1), aliases(5), passwd(5), mkpasswd(8), vipw(8)

BUGS
       User information should (and eventually will) be stored elsewhere.

4th Berkeley Distribution		 October 23, 1996			       ADDUSER(8)
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