Section: User Commands (1)
Updated: November 2015
chfn - change your finger information
is used to change your finger information. This information is
stored in the
file, and is displayed by the
program. The Linux
command will display four pieces of information that can be changed by
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,
enters interactive mode.
In interactive mode,
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.
supports non-local entries (kerberos, LDAP, etc.) if linked with libuser,
otherwise use ypchfn, lchfn or any other implementation for
- -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.
CONFIG FILE ITEMS
configuration file. Note that the configuration file could be
distributed with another package (e.g., shadow-utils). The following
configuration items are relevant for
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.
Returns 0 if operation was successful, 1 if operation failed or command syntax was not valid.
Salvatore Valente <firstname.lastname@example.org
The chfn command is part of the util-linux package and is available from