CHFN(1) CHFN(1) chfn - chfn [-f full-name] [-o office] [-p office-phone] [-h home-phone] [-u] [-V] [username|UID] chfn . /etc/passwd , finger. finger chfn, : , , . . , chfn . , chfn . , , ,," . ,,none" () . chfn - (kerberos, LDAP, .) ,,libuser"-, ypchfn(1), lchfn(1) - . -f, --full-name - . -o, --office . -p, --office-phone - . -h, --home-phone - . -u, --help . -V, --version . ( -V 2.39; -v). chfn /etc/login.defs ( login.defs(5)). (., shadow-utils). chfn: CHFN_RESTRICT 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 For example, CHFN_RESTRICT "wh" allows changing work and home phone numbers. CHFN_RESTRICT , . . 0 , 1 . Salvatore Valente , Christian Goeschel Ndjomouo chsh(1), finger(1), login.defs(5), passwd(5) , ,,https://github.com/util-linux/util-linux/issues[issue tracker]". chfn ,,util-linux" . util-linux 2.42.3 2026-09-02 CHFN(1)