chfn(1) — Linux manual page


CHFN(1)                       User Commands                      CHFN(1)

NAME         top

       chfn - change your finger information

SYNOPSIS         top

       chfn [-f full-name] [-o office] [-p office-phone] [-h home-phone]
       [-u] [-v] [username]

DESCRIPTION         top

       chfn is used to change your finger information.  This information
       is stored in the /etc/passwd file, and is displayed by the finger
       program.  The Linux finger command will display four pieces of
       information that can be changed by chfn: your real name, your
       work room and phone, and your home phone.

       Any of the four pieces of information can be specified on the
       command line.  If no information is given on the command line,
       chfn enters interactive mode.

       In interactive mode, chfn will prompt for each field.  At a
       prompt, you can enter the new information, or just press return
       to leave the field unchanged.  Enter the keyword "none" to make
       the field blank.

       chfn supports non-local entries (kerberos, LDAP, etc.) if linked
       with libuser, otherwise use ypchfn, lchfn or any other
       implementation for non-local entries.

OPTIONS         top

       -f, --full-name full-name
              Specify your real name.

       -o, --office office
              Specify your office room number.

       -p, --office-phone office-phone
              Specify your office phone number.

       -h, --home-phone home-phone
              Specify your home phone number.

       -u, --help
              Display help text and exit.

       -v, --version
              Display version information and exit.


       chfn reads the /etc/login.defs(5) configuration file.  Note that
       the configuration file could be distributed with another package
       (e.g., shadow-utils).  The following configuration items are
       relevant for chfn(1):

       CHFN_RESTRICT string
           Indicate which fields are changeable by chfn.

           The boolean setting "yes" means that only the Office, Office
           Phone and Home Phone fields are changeable, and boolean
           setting "no" means that also the Full Name is changeable.

           Another way to specify changeable fields is by abbreviations:
           f = Full Name, r = Office (room), w = Office (work) Phone, h
           = Home Phone.  For example, CHFN_RESTRICT "wh" allows
           changing work and home phone numbers.

           If CHFN_RESTRICT is undefined, then all finger information is
           read-only.  This is the default.

EXIT STATUS         top

       Returns 0 if operation was successful, 1 if operation failed or
       command syntax was not valid.

AUTHORS         top

       Salvatore Valente <>

SEE ALSO         top

       chsh(1), finger(1), login.defs(5), passwd(5)

AVAILABILITY         top

       The chfn command is part of the util-linux package and is
       available from

COLOPHON         top

       This page is part of the util-linux (a random collection of Linux
       utilities) project.  Information about the project can be found
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       2020-12-18.  (At that time, the date of the most recent commit
       that was found in the repository was 2020-12-17.)  If you
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       manual page), send a mail to

util-linux                    November 2015                      CHFN(1)

Pages that refer to this page: chfn(1)chsh(1@@shadow-utils)passwd(5)groupadd(8)groupdel(8)groupmems(8)groupmod(8)useradd(8)userdel(8)usermod(8)