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NAME
hostname — show or set the system host name
SYNOPSIS
hostname [option ...] [name]
DESCRIPTION
Show the system's host name, or set it if name is specified.
OPTIONS
-a, --aliases Also show aliases for the host name. -d, --domain Show the DNS domain name. -f, --fqdn, --long Show the DNS host name or FQDN. -F, --file file Set the host name or NIS domain name from file. -i, --ip-addresses Show the addresses for the host name. -s, --short Show the short host name. -y, --yp, --nis Show the NIS/YP domain name. -?, --help Give this help list. --usage Give a short usage message. -V, --version Print program version.