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CHPASS(1) BSD General Commands Manual CHPASS(1) NAME
chpass, chfn, chsh -- add or change user database information SYNOPSIS
chpass [-l location] [-u authname] [-s newshell] [user] DESCRIPTION
The chpass utility allows editing of the user database information associated with user or, by default, the current user. The chpass utility cannot change the user's password on Open Directory systems. Use the passwd(1) utility instead. The chfn, and chsh utilities behave identically to chpass. (There is only one program.) The information is formatted and supplied to an editor for changes. Only the information that the user is allowed to change is displayed. The options are as follows: -l location If not specified, chpass will perform a search for the user record on all available Open Directory nodes. When specified, chpass will edit the user record on the directory node at the given location. -u authname The user name to use when authenticating to the directory node containing the user. -s newshell Attempt to change the user's shell to newshell. Possible display items are as follows: Login: user's login name Uid: user's login Gid: user's login group Generated uid: user's UUID Full Name: user's real name Office Location: user's office location Office Phone: user's office phone Home Phone: user's home phone Home Directory: user's home directory Shell: user's login shell The login field is the user name used to access the computer account. The uid field is the number associated with the login field. Both of these fields should be unique across the system (and often across a group of systems) as they control file access. While it is possible to have multiple entries with identical login names and/or identical user id's, it is usually a mistake to do so. Rou- tines that manipulate these files will often return only one of the multiple entries, and that one by random selection. The group field is the group that the user will be placed in at login. Since BSD supports multiple groups (see groups(1)) this field cur- rently has little special meaning. This field may be filled in with either a number or a group name (see group(5)). The generated uid field is the globally unique identifier (UUID) for the user. The full name field contains the full name of the user. The user's home directory is the full UNIX path name where the user will be placed at login. The shell field is the command interpreter the user prefers. If the shell field is empty, the Bourne shell, /bin/sh, is assumed. When altering a login shell, and not the super-user, the user may not change from a non-standard shell or to a non-standard shell. Non-standard is defined as a shell not found in /etc/shells. The picture field is the path to a picture to be displayed for the user. OPEN DIRECTORY
User database entries are under the control of DirectoryService(8) and may be physically located in many different places, including the local Directory Service node, and remote LDAP servers. This version of chpass uses Open Directory to change user database information. It does not interact with the historic flat file database /etc/master.passwd ENVIRONMENT
The vi(1) editor will be used unless the environment variable EDITOR is set to an alternate editor. When the editor terminates, the informa- tion is re-read and used to update the user database itself. Only the user, or the super-user, may edit the information associated with the user. FILES
/etc/chpass.XXXXXX temporary copy of the data to edit /etc/shells the list of approved shells SEE ALSO
login(1), passwd(1), getusershell(3), passwd(5) Robert Morris and Ken Thompson, UNIX Password security. HISTORY
The chpass utility appeared in 4.3BSD-Reno. BSD
December 30, 1993 BSD
