chfn(1) - phpMan

CHFN(1)                                   User Commands                                   CHFN(1)



NAME
       chfn - change real user name and information

SYNOPSIS
       chfn [-f full_name] [-r room_no] [-w work_ph] [-h home_ph] [-o other] [user]

DESCRIPTION
       The chfn command changes user fullname, office number, office extension, and home phone
       number information for a user's account. This information is typically printed by
       finger(1) and similar programs. A normal user may only change the fields for her own
       account, subject to the restrictions in /etc/login.defs. (The default configuration is to
       prevent users from changing their fullname.) The superuser may change any field for any
       account. Additionally, only the superuser may use the -o option to change the undefined
       portions of the GECOS field.

       The only restriction placed on the contents of the fields is that no control characters
       may be present, nor any of comma, colon, or equal sign. The other field does not have this
       restriction, and is used to store accounting information used by other applications.

       If none of the options are selected, chfn operates in an interactive fashion, prompting
       the user with the current values for all of the fields. Enter the new value to change the
       field, or leave the line blank to use the current value. The current value is displayed
       between a pair of [ ] marks. Without options, chfn prompts for the current user account.

CONFIGURATION
       The following configuration variables in /etc/login.defs change the behavior of this tool:

       CHFN_RESTRICT (string)
           This parameter specifies which values in the gecos field of the /etc/passwd file may
           be changed by regular users using the chfn program. It can be any combination of
           letters f, r, w, h, for Full name, Room number, Work phone, and Home phone,
           respectively. For backward compatibility, yes is equivalent to rwh and no is
           equivalent to frwh. If not specified, only the superuser can make any changes. The
           most restrictive setting is better achieved by not installing chfn SUID.

FILES
       /etc/login.defs
           Shadow password suite configuration.

       /etc/passwd
           User account information.

SEE ALSO
       chsh(1), login.defs(5), passwd(5).



User Commands                               12/06/2009                                    CHFN(1)

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