HOSTNAME(1)

NAME
hostname - show or set system host name

SYNOPSIS
hostname [OPTION...] [NAME]

DESCRIPTION
Show or set the system's host name.

-a, --aliases
    alias names

-d, --domain
    DNS domain name

-f, --fqdn, --long
    DNS host name or FQDN

-F, --file=FILE
    set host name or NIS domain name from FILE

-i, --ip-addresses
    addresses for the host name

-s, --short
    short host name

-y, --yp, --nis
    NIS/YP domain name

-?, --help
    give this help list

--usage
    give a short usage message

-V, --version
    print program version

Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

AUTHOR
Written by Debarshi Ray.

REPORTING BUGS
Report bugs to <bug-inetutils@gnu.org>.

COPYRIGHT
Copyright © 2026 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
The full documentation for hostname is maintained as a Texinfo manual. If the info and hostname programs are properly installed at your site, the command

    info hostname

should give you access to the complete manual.