hostname 3.16

Usage: hostname [-b] {hostname|-F file} set host name (from file) hostname [-a|-A|-d|-f|-i|-I|-s|-y] display formatted name hostname display host name {yp,nis,}domainname {nisdomain|-F file} set NIS domain name (from file) {yp,nis,}domainname display NIS domain name dnsdomainname display dns domain name hostname -V|--version|-h|--help print info and exit Program name: {yp,nis,}domainname=hostname -y dnsdomainname=hostname -d Program options: -a, --alias alias names -A, --all-fqdns all long host names (FQDNs) -b, --boot set default hostname if none available -d, --domain DNS domain name -f, --fqdn, --long long host name (FQDN) -F, --file read host name or NIS domain name from given file -i, --ip-address addresses for the host name -I, --all-ip-addresses all addresses for the host -s, --short short host name -y, --yp, --nis NIS/YP domain name Description: This command can get or set the host name or the NIS domain name. You can also get the DNS domain or the FQDN (fully qualified domain name). Unless you are using bind or NIS for host lookups you can change the FQDN (Fully Qualified Domain Name) and the DNS domain name (which is part of the FQDN) in the /etc/hosts file.